Bongaigaon Weather in September
What's the weather like in Bongaigaon (Assam) in September 2025?
The climate in Bongaigaon during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Bongaigaon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (76°F) is normal.
| Daytime temperature | 30.8°C 87.4°F |
|---|---|
| Nightly temperature | 24.2°C 75.6°F |
| Average temperature | 27.5°C 81.5°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 306 mm 12 ins |
| Rainy days | 10 days |
| Sea temperature | 26.2°C 79.2°F |
| Humidity | 85% |
| Windspeed | 4kph 2 mph |
On average September is the 5th wettest month of the year in Bongaigaon with around 306mm 12 inches of rain making it a very wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Bongaigaon
September rainfall
September hourly sunshine
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 Bongaigaon in September 2025.
Other monthly averages
Best places to visit in September
Bongaigaon weather stats
| Hottest month: | August | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | December | 8mm 0.3ins |
| Sunniest month: | December | 8.1hrs |
| Coldest month: | January | 22.5°C 72.5°F |
| Wettest month: | June | 574mm 22.6ins |
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