Underrated Yet: 16 Best Islands to Visit in September 2026
Skip the tourist crowds. Discover the 16 best islands to visit in September 2026, featuring uncrowded Mediterranean shores and storm-safe Caribbean gems.
If you are trying to figure out the best islands to visit in September, you have picked the absolute perfect month to plan a getaway. The intense summer crowds are finally starting to thin out, yet the ocean remains beautifully warm across Europe and many tropical regions worldwide.
While most people instantly think of the exact same crowded hotspots, this guide deliberately highlights the 16 best islands to travel to in September in 2026 that actually deserve far more attention.
We are focusing on spectacular, less-obvious choices that offer incredible local culture and peaceful beaches. Finding these hidden gems often requires heading slightly off the grid, so keeping your phone connected is essential.
Best Islands to Visit in September
If you are trying to narrow down your travel plans, finding the best island to visit in September depends entirely on the type of vacation you want. Use this quick-reference table to find your ideal destination:
| Island | Country | Best For | Why September Is Ideal |
|---|---|---|---|
| Naxos | Greece | Uncrowded Beaches & Food | Warm Aegean waters, peaceful villages, and the start of the grape harvest season. |
| Gozo | Malta | Diving & History | The sea is at its warmest, while tourist numbers begin to fall. |
| Vis | Croatia | Hidden Coves | Enjoy late-summer sunshine without the busy peak-season crowds. |
| Sardinia | Italy | Al Fresco Dining | Comfortable temperatures of around 26°C and quieter beaches make sightseeing easy. |
| La Palma | Spain | Hiking & Stargazing | Clear autumn skies and mild mountain temperatures create ideal outdoor conditions. |
| Corsica | France | Scenic Road Trips | Mountain roads, coastal towns, and seaside cafés are far less crowded. |
| Mauritius | Mauritius | Wildlife & Beaches | Cooler, drier weather brings lower humidity and excellent hiking conditions. |
| Seychelles | Seychelles | Snorkelling | Calm winds provide exceptional underwater visibility around the islands. |
| Bora Bora | French Polynesia | Overwater Luxury | The dry season delivers sunny skies, warm temperatures, and calm lagoons. |
| Zanzibar | Tanzania | Beach Safaris | Cool coastal breezes combine with excellent wildlife-viewing opportunities nearby. |
| Flores | Indonesia | Marine Adventures | The end of the dry season brings calm seas for diving and island-hopping. |
| Aruba | Netherlands | Reliable Sun | Located outside the main Caribbean hurricane belt, offering dependable beach weather. |
| Curaçao | Netherlands | Colourful Culture | Its sheltered southern Caribbean location keeps conditions warm and dry. |
| US Virgin Islands | United States | Quiet National Parks | Low season means fewer visitors, peaceful beaches, and attractive resort offers. |
| São Miguel | Azores (Portugal) | Hot Springs & Ocean Swims | The Atlantic reaches its warmest temperatures while summer crowds begin to thin. |
| Lord Howe Island | Australia | Marine Sanctuary | Spring begins with sunny days, blooming landscapes, and abundant wildlife. |
Why September is One of the Best Months for Island Travel
Seasoned travellers consider September the ultimate sweet spot of the travel year. It offers a perfect transition where you get all the benefits of summer weather without any of the high-season headaches.
- Warmer Seas: The ocean takes months to heat up, meaning water temperatures across Europe and the tropics are at their absolute warmest of the year by September. It is the prime time to find the best tropical places to visit in September for swimming and diving.
- Fewer Crowds: Once school holidays end, the chaotic summer rush clears out. This is especially true if you are looking for the best island to visit in September in 2026, as you can finally enjoy quiet historic towns and peaceful beaches without the crowds.
- Better Hotel Availability: With peak-season demand gone, highly sought-after boutique hotels suddenly have plenty of vacancies and room options.
- Shoulder-Season Value: Airlines and resorts actively drop prices, often saving you up to 30% on flights and accommodations compared to July and August.
- Pleasant Weather: The blistering mid-summer heat softens into comfortable warmth. It is the perfect temperature for hiking, exploring, and dining al fresco.
📖 Read More: September is a magical time to cross the Atlantic. Explore beautiful European destinations offering ideal autumn weather, smaller crowds, and affordable seasonal flight options. Read our blog 👉 10 Best Places to Visit in Europe in September (Fewer Crowds & Better Weather)
Mediterranean Island Escapes
1. Naxos, Greece
September Highlights
The scorching mid-summer heat cools to a comfortable 25°C, and the strong seasonal winds begin to die down. The surrounding Aegean Sea has been baking under the sun all summer, making it the absolute best month for swimming. For those researching the best Greek islands to visit in September, Naxos balances warm weather with a relaxed pace.
Signature Experiences
- Quiet beaches
- Mountain villages
- Local tavernas
- Sunset walks
Insider Tip
Rent a scooter or a small car to head deep into the inland valley villages. Skipping the coastal strip for an afternoon to explore old olive presses and quiet local squares reveals the true, traditional heart of the island.
2. Gozo, Malta
September Highlights
Gozo offers a stunningly peaceful alternative to the main island of Malta. September brings beautifully warm daily averages of 26°C, perfect for both swimming and sightseeing without the blistering July heat. It is considered as one of the best islands to visit in September in 2026 for history lovers who want to avoid crowds.
Signature Experiences
- Coastal swimming
- Ancient Citadel
- World-class diving
- Salt pan walks
Insider Tip
Head down to the rocky inlet of Mgarr ix-Xini for lunch at the rustic beachside kiosk. It serves some of the freshest, most unpretentious seafood you will find on the island.
3. Vis, Croatia
September Highlights
Vis is the furthest inhabited island from the Croatian mainland, making it a natural haven for peace. By September, the heavy yacht-week crowds have departed, leaving the island’s dramatic stone villages and deep bays completely peaceful.
Signature Experiences
- Stiniva Cove
- Blue Cave excursions
- Wine tasting
- Military history tours
Insider Tip
Rent a kayak in the evening and paddle around the quiet bay of Kut. It offers a beautiful perspective of the old stone houses as the town lights begin to glow.
4. Sardinia, Italy
September Highlights
Sardinia in September is a dream. The glitzy crowds of August vanish, prices drop, and the weather settles into a perfect 26°C sweet spot. It qualifies as one of the best islands to travel to in September if you want to explore a dramatic coastline without bumper-to-bumper beach traffic.
Signature Experiences
- Cala Goloritzé
- Alghero Old Town
- Local festivals
- La Maddalena boat trips
Insider Tip
Avoid the overpriced Costa Smeralda resorts. Instead, focus your trip on the rugged wildness of the southwestern coast around Sant'Antioco for a more authentic, affordable escape.
5. La Palma, Spain
September Highlights
Known as La Isla Bonita (The Beautiful Island), La Palma avoids the massive tourism of the neighbouring Canary Islands. September brings incredibly clear skies and warm, mild temperatures (~25°C), matching travellers seeking the best places to visit in September away from traditional resort towns.
Signature Experiences
- Caldera de Taburiente
- Stargazing tours
- Black sand beaches
- Volcanic field walks
Insider Tip
Head to the natural seawater pools of Charco Azul on the northeast coast for a refreshing swim protected from the rough Atlantic Ocean swells.
6. Corsica, France
September Highlights
Corsica offers a unique blend of French chic and rugged Italian-style landscapes. In September, the mountain roads are much easier to navigate without the summer campervan traffic, and the sea is at its warmest.
Signature Experiences
- Calanques de Piana
- Bonifacio Citadel
- Mountain hiking
- Seaside cafes
Insider Tip
When driving the narrow coastal roads, always yield to local drivers and free-roaming mountain pigs, as both have the absolute right of way here.
📖 Read More: Dreaming of a European autumn escape? Master the top destinations for warm beaches, stunning alpine colours, and peaceful city breaks without the intense summer crowds. Read our blog 👉 18 Best European Places to Go in October (2026 Travel Guide)
Tropical Island Escapes
7. Mauritius
September Highlights
September sits in the middle of the Mauritian winter, meaning you can expect pleasant temperatures around 24°C, low humidity, and very little rainfall. It is the perfect climate for active land adventures and wildlife spotting.
Signature Experiences
- Black River Gorges
- Le Morne Brabant
- Chamarel Seven Coloured Earths
- Coral reef snorkelling
Insider Tip
Book a catamaran trip to Île aux Cerfs on a weekday. You will get the stunning white-sand beaches practically to yourself compared to the busy weekends.
8. Seychelles
September Highlights
September is a transitional month in the Seychelles, where the cool, dry trade winds begin to ease. This transition creates incredibly calm ocean conditions and crystal-clear water, making it a prime window for diving and snorkelling.
Signature Experiences
- Anse Source d'Argent
- Vallée de Mai
- Giant tortoise encounters
- Island hopping tours
Insider Tip
Rent a bicycle on La Digue instead of relying on taxis. The island has almost no cars, and exploring on two wheels is the absolute best way to discover empty, hidden coves.
9. Bora Bora
September Highlights
September offers the best of French Polynesia’s dry season. You will enjoy clear, blue skies, minimal humidity, and daily temperatures hovering around 28°C, securing its spot for the best beach vacations in September globally.
Signature Experiences
- Overwater bungalow living
- Lagoon snorkelling
- Mount Otemanu
- Sunset catamaran cruises
Insider Tip
Skip the expensive resort dinners for a night and visit the local food trucks (les roulottes) in Vaitape for incredible, authentic poisson cru (Tahitian raw fish marinated in coconut milk).
10. Zanzibar
September Highlights
Zanzibar enjoys its long dry season in September. Constant, cool ocean breezes take the edge off the tropical heat, and the dry weather keeps mosquitoes to an absolute minimum. It stands out on the best tropical places to visit in September list for its mix of rich history and pristine coastline.
Signature Experiences
- Stone Town
- Jozani Forest
- Mnemba Atoll
- Spice plantation visits
Insider Tip
Make a reservation at the famous Rock Restaurant, but time your visit with the high tide so you can take a wooden boat to and from your table.
11. Flores, Indonesia
September Highlights
While Bali gets incredibly crowded, nearby Flores offers untouched volcanic beauty. September sits at the dry end of the monsoon cycle, offering great road visibility and fantastic conditions for exploring the Komodo National Park.
Signature Experiences
- Kelimutu Lakes
- Komodo Dragons
- Pink Beach
- Traditional village visits
Insider Tip
Take a multi-day liveaboard boat trip from Labuan Bajo. Waking up to a sunrise over Padar Island is an experience you will never forget.
📖 Read More: Want to plan the ultimate autumn vacation this year? Discover incredible global destinations offering the perfect mix of weather, fall foliage, and festival highlights. Read our blog 👉 10 Best Places to Visit in October for Fall Trips from the US
Caribbean Island Escapes
12. Aruba
September Highlights
While September is the absolute peak of the Atlantic hurricane season, Aruba sits safely outside the main hurricane belt. You can enjoy hot, sunny beach weather with incredibly reliable, cooling trade winds. It is a top choice if you want the best Caribbean island to visit in September without storm risks.
Signature Experiences
- Eagle Beach
- Arikok National Park
- Windsurfing
- Natural pool swims
Insider Tip
Head to Arashi Beach in the late afternoon. It is a local favourite spot that offers fantastic, uncrowded snorkelling right off the shore.
13. Curaçao
September Highlights
Like its neighbour Aruba, Curaçao is sheltered from major tropical storms. September brings calm seas, hot weather, and excellent flight and accommodation deals for budget-conscious travellers searching for the reliable best Caribbean island to visit in September.
Signature Experiences
- Willemstad
- Playa Lagun
- Shete Boka
- Snorkelling with sea turtles
Insider Tip
Visit the floating market in Willemstad early in the morning to buy fresh mangoes and fish directly from Venezuelan boat vendors.
14. US Virgin Islands
September Highlights
The US Virgin Islands in September offer an incredibly serene and quiet escape. Because this month falls during the Atlantic hurricane season, the islands experience far fewer tourists, leaving the world-famous white sands completely empty for those who visit. It is one of the best places to visit in September in the USA for crowd-free shorelines.
Signature Experiences
- Trunk Bay
- Snorkelling
- Sailing
- National parks
Insider Tip
While empty beaches are incredible, remember that US Virgin Islands in September trips fall during the height of the storm season. Always buy comprehensive travel insurance and closely monitor tropical weather forecasts leading up to your trip.
📖 Read More: Timing your Caribbean escape perfectly makes a massive difference. Get practical advice on seasonal weather, festival schedules, and crowd levels for an ideal tropical holiday. Read our blog 👉 When Is the Best Time to Visit the US Virgin Islands
Hidden Island Gems
15. São Miguel (Azores)
September Highlights
São Miguel is a lush green paradise sitting in the middle of the Atlantic. September is the absolute best month for swimming here because the Gulf Stream warms the ocean to its peak temperature (~22°C).
Signature Experiences
- Sete Cidades
- Geothermal baths
- Whale watching
- Tea plantation tours
Insider Tip
Visit Ponta da Ferraria, where a natural geothermal hot spring flows directly into a sheltered ocean cove, creating a unique warm-water swimming experience.
16. Lord Howe Island (Australia)
September Highlights
With a strict limit of only 400 tourists allowed on the island at any given time, Lord Howe is the ultimate exclusive getaway. September marks the beginning of the southern hemisphere spring, bringing beautiful, mild sunny days and making it one of the best islands to travel to in September for an off-grid nature experience.
Signature Experiences
- Ned's Beach
- Mount Gower
- Southernmost coral reef
- Coastal bike rides
Insider Tip
There is virtually no mobile phone coverage on the island, so embrace the off-grid lifestyle, rent a beach cruiser bike, and enjoy the ultimate digital detox.
Which Island Matches Your Travel Style?
Planning the best island to visit in September is much easier when you match the destination to your specific travel personality. Whether you are chasing pristine coral reefs, rugged mountain trails, or pure overwater luxury, use this quick guide to find your perfect match:
| If You Want | Visit | Because |
|---|---|---|
| Quiet beaches | Naxos | You get authentic village life and pristine sandy beaches without the tourist crowds. |
| Luxury | Bora Bora | September falls within the dry season, bringing postcard-perfect turquoise lagoons and sunny days. |
| Snorkelling | Seychelles | Calm wind conditions create crystal-clear water and outstanding underwater visibility. |
| Hiking | La Palma | Crisp autumn skies and mild mountain temperatures make hiking especially enjoyable. |
| Caribbean escape | Aruba | It sits outside the main hurricane belt, making beach weather far more reliable. |
| Hidden gem | Gozo | Explore historic citadels, sea caves, and warm Mediterranean waters without heavy crowds. |
📖 Read More: Planning a tropical getaway to Hawaii? Discover unique characteristics of each island to find the perfect match for your travel style and vacation dreams. Read our blog 👉 Which is the Best Island to Visit in Hawaii for Every Traveler
Mediterranean vs Tropical Islands in September
Choosing between these two regions in September comes down to five main factors:
- Weather: The Mediterranean is warm (~25°C) with low humidity and cool evening breezes. The Tropics are hotter (28°C+) with a slight chance of brief tropical showers.
- Sea Temperature: Mediterranean waters reach their peak warmth of the year after the summer sun. Tropical seas remain warm and bath-like year-round.
- Crowd Levels: Mediterranean crowds drop sharply as school holidays end. Tropical destinations like Mauritius are in their quiet, peaceful shoulder seasons.
- Flight Times: Mediterranean islands are quick, accessible short-hauls. Tropical escapes require long-haul travel, making them better suited for longer holidays.
- Holiday Style: The Mediterranean is perfect for historic towns, coastal drives, and al fresco dining. Tropical islands focus on resort relaxation, marine life, and wild rainforests, making them the best places to honeymoon in September.
September Island Travel Tips
Keep these practical tips in mind before your departure to get the most out of your trip to the best islands to visit in September:
#1 Check ferry schedules early
September is less crowded, but ferry schedules scale back toward winter timetables. Always double-check transit times a few days in advance to avoid getting stranded.
#2 Track autumn weather patterns
September is peak hurricane season in the Caribbean. If you want the best tropical places to visit in September, choose islands like Aruba or Curaçao that sit safely outside the storm belt.
#3 Monitor flight and hotel drops
Take advantage of price drops by watching for mid-week flight deals. You can also look for boutique hotels offering free room upgrades.
#4 Limit your destinations
Avoid packing your itinerary too tightly. Stick to islands within the same island group to minimize travel days and maximize your actual beach time.
#5 Bring evening outerwear
Days remain hot and sunny, but September evenings bring a cool sea breeze. Toss a light jacket or sweater into your bag just in case.
Staying Connected While Island Hopping
Island hopping across the best islands to visit in September requires constant logistical coordination. Between tracking live ferry schedules, booking local boat excursions, and using maps for coastal navigation, reliable mobile data is essential.
Setting up a Jetpac travel eSIM before you depart removes the stress of dead zones, acting as a straightforward choice for the best eSIM for international travel.
- One eSIM, 200+ Destinations: Seamlessly move across continents without ever swapping physical SIM cards.
- Automatic Multi-Network Switching: Connects instantly to the strongest available local network, ensuring stable 4G/5G data access across remote coasts.
- Essential Apps Work After Data Runs Out: WhatsApp and Google Maps stay active even if your main allowance runs out, so you can always navigate back to the harbour.
FAQs
Which are the best islands to visit in September?
The overall best islands to visit in September in 2026 include Naxos (Greece), Gozo (Malta), Vis (Croatia), and Aruba. These destinations offer a perfect combination of warm weather, lower tourist crowds, and excellent sea temperatures.
Which Greek islands are best to visit in September?
Naxos, Paros, and Milos are incredible. If you are tracking down the best Greek islands to visit in September, this month brings calmer Meltemi winds, the warmest sea temperatures, and crowd-free beaches.
Which Caribbean islands are best in September?
Aruba, Bonaire, and Curaçao (the ABC Islands) are the safest choices. They sit below the southern edge of the hurricane belt, making each one a reliable best Caribbean island to visit in September for storm-free sunny weather.
Are the US Virgin Islands worth visiting in September?
Yes, but with caution. Travelling to the US Virgin Islands in September in 2026 offers incredibly quiet, empty beaches and rock-bottom hotel rates, but it is the peak of the hurricane season, so you must monitor weather forecasts closely.
Which islands are least crowded in September?
Vis in Croatia, La Palma in Spain, and Lord Howe Island in Australia are exceptionally peaceful. Lord Howe Island is especially quiet because it enforces a strict limit of only 400 visitors at any given time.
What are the best islands for a September honeymoon?
If you want overwater luxury, Bora Bora is unbeatable. Still, São Miguel in the Azores is also among the best islands to travel to in September because its hot springs and volcanic hiking trails are perfect for couples.
Is a travel eSIM useful for island hopping?
Yes. Moving between islands requires steady data. While the right connection varies by itinerary, Jetpac is a stellar choice for automatic, card-free network switching.
Disclaimer
The information in this blog is based on travel data and local details available to the Jetpac team at the time of writing in 2026. Island conditions, ferry schedules, and weather patterns can change unexpectedly. Please check official government and destination websites before travelling. Jetpac is not responsible for any changes or outcomes related to travel decisions made based on this content.
