BES Adventure Holidays |

September Island Adventures

September is a rewarding time to discover the BES islands: Bonaire, Sint Eustatius and Saba. These three Dutch Caribbean islands each offer a very different kind of adventure, from colourful coral reefs and quiet beaches to volcanic trails and historic hillside paths. The pace is relaxed, the scenery is memorable and there is plenty to do beyond simply settling beside a pool.

The month falls within the wetter season, so expect warm temperatures, humid air and the occasional tropical shower. Rain often arrives quickly and clears just as fast, leaving the landscape fresh and the skies bright. Travelling in September can also mean fewer visitors, giving you more space on trails, in dive centres and at the islands’ best viewpoints.

Caribbean Holidays, BES Adventure Holidays, Scuba diver exploring a colourful coral reef beside Bonaire, with clear blue water and tropical fish

Bonaire Beneath Water

Bonaire is one of the Caribbean’s best destinations for diving and snorkelling, with accessible reefs running along much of the coast. September’s warm sea makes it easy to spend long periods in the water, whether you are joining a guided dive or simply swimming from shore with a mask and fins. Look out for parrotfish, angelfish, turtles and brightly coloured sponges among the coral.

Adventure does not stop at the shoreline. Hire a bicycle or four-wheel-drive vehicle to explore the island’s salt pans, cactus-covered countryside and quiet northern roads. A visit to Washington Slagbaai National Park adds rugged scenery, wildlife and secluded swimming spots, while an evening kayak through the mangroves offers a peaceful glimpse of Bonaire’s coastal ecosystem.

Caribbean Holidays, BES Adventure Holidays, Hiker walking along a historic volcanic trail on Sint Eustatius, overlooking the Caribbean Sea and green slopes

Statia’s Volcanic Trails

Sint Eustatius, often known as Statia, is ideal for travellers who enjoy history and walking. The island is dominated by The Quill, a dormant volcano covered in tropical forest. A guided or independent hike into the crater reveals a surprisingly lush landscape, with towering trees, vines and a sense of real wilderness.

Allow time to explore the old harbour and Fort Oranje, where quiet streets and historic ruins tell the story of Statia’s important trading past. September showers can make paths slippery, so sturdy footwear is useful. Start walks early, carry water and take a light waterproof layer for sudden rain.

Caribbean Holidays, BES Adventure Holidays, Hiker climbing Mount Scenery on Saba through lush cloud forest, with misty Caribbean views

Saba’s Mountain Challenge

Saba is the choice for a more demanding island escape. Known as the Unspoilt Queen, it rises dramatically from the sea and is crossed by well-maintained hiking routes. The Mount Scenery trail leads through dense forest and mossy vegetation, with changing views as cloud and sunlight move across the mountain.

The island’s narrow roads, stone steps and steep slopes make every outing feel adventurous. After a hike, explore Windwardside’s small shops and restaurants, or take a boat trip to Saba’s famous dive sites. Visibility can vary in September, but the marine life remains a major attraction and local operators know how to choose the best conditions.

Caribbean Holidays, BES Adventure Holidays, Small Caribbean harbour at sunset with boats, peaceful water and island hills in the background

Planning Your Escape

For September adventure holidays in the BES islands, pack breathable clothing, sun protection, insect repellent, a reusable water bottle and comfortable walking shoes. A dry bag is handy for boat trips and sudden showers. Check travel connections carefully, as flights and ferries between the islands can be limited and weather may affect schedules.

Whether you choose Bonaire for underwater exploration, Statia for volcanic landscapes and history, or Saba for mountain hiking, September offers an authentic Caribbean experience. You can fill your days with active discovery, then enjoy quiet evenings, fresh local food and the friendly atmosphere that makes these islands so special.