Roseau Weather in September

Warm and pleasant, with regular rainfall. Average highs of 29°C and lows of 26°C, with around 18 rainy days expected throughout the month.

While September isn't our top-rated month for Roseau, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

29°C

Average low

26°C

Rainy days

18 days

Best months to visit

January, February, March

What to do in Roseau in September

Whatever the weather, Roseau rewards curious visitors. Here are some of the best ways to spend your time:

Boiling Lake hike through rainforest terrain Trafalgar Falls and hot springs soaking Snorkeling and diving volcanic underwater formations River tubing and waterfall exploration Whale watching boat tours (seasonal) Local Creole cuisine and mountain village visits

What to pack for September

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.