The climate in Jean-Rabel during September can be summarized as hot, humid and damp.
September is in the fall / autumn in Jean-Rabel and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (74°F) is normal.
Daytime temperature | 31.3°C 88.3°F |
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Nightly temperature | 23.1°C 73.6°F |
Average temperature | 27.2°C 81°F |
Daily sunshine | 7 hrs |
Avg rainfall | 106 mm 4.2 ins |
Rainy days | 15 days |
Sea temperature | 29.5°C 85°F |
Humidity | 77% |
Windspeed | 8.6kph 5 mph |
On average September is the 3rd wettest month of the year in Jean-Rabel with around 106mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 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 Jean-Rabel in September 2025.
Best places to visit in September
Hottest month: | August | 31.4°C 88.5°F |
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Driest month: | July | 37mm 1.5ins |
Sunniest month: | February | 7.6hrs |
Coldest month: | January | 27.4°C 81.3°F |
Wettest month: | November | 118mm 4.6ins |