The climate in Sylhet during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Sylhet and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (76°F) is normal.
Daytime temperature | 31.1°C 87.9°F |
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Nightly temperature | 24.6°C 76.2°F |
Average temperature | 27.8°C 82°F |
Daily sunshine | 4.4 hrs |
Avg rainfall | 502 mm 19.8 ins |
Rainy days | 12 days |
Sea temperature | 27.5°C 81.5°F |
Humidity | 86% |
Windspeed | 4kph 2 mph |
On average September is the 5th wettest month of the year in Sylhet with around 502mm 19.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 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 Sylhet in September 2024.
Best places to visit in September
Hottest month: | August | 31.1°C 88°F |
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Driest month: | December | 9mm 0.4ins |
Sunniest month: | December | 8.7hrs |
Coldest month: | January | 24.8°C 76.6°F |
Wettest month: | July | 809mm 31.9ins |