The climate in Basse-Terre during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Basse-Terre and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 21°C (69°F) is normal.
|Daytime temperature||28.2°C 82.8°F|
|Nightly temperature||20.8°C 69.4°F|
|Average temperature||24.5°C 76.1°F|
|Daily sunshine||7.5 hrs|
|Avg rainfall||385 mm 15.2 ins|
|Rainy days||21 days|
|Sea temperature||29°C 84.2°F|
|Windspeed||16.4kph 10 mph|
On average September is the wettest month of the year in Basse-Terre with around 385mm 15.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Basse-Terre in September 2021.
|Hottest month:||August||28°C 82.4°F|
|Driest month:||February||149mm 5.9ins|
|Coldest month:||February||25.2°C 77.4°F|
|Wettest month:||September||385mm 15.2ins|