The climate in Darbhanga during September can be summarized as very hot, humid and very wet.
September is in the fall / autumn in Darbhanga and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 25°C (77°F) is normal.
| Daytime temperature | 32.5°C 90.5°F |
|---|---|
| Nightly temperature | 24.9°C 76.8°F |
| Average temperature | 28.7°C 83.7°F |
| Daily sunshine | 4.6 hrs |
| Avg rainfall | 203 mm 8 ins |
| Rainy days | 7 days |
| Sea temperature | 26.2°C 79.1°F |
| Humidity | 79% |
| Windspeed | 4.7kph 3 mph |
On average September is the 3rd wettest month of the year in Darbhanga with around 203mm 8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 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 Darbhanga in September 2025.
Best places to visit in September
| Hottest month: | June | 34.7°C 94.5°F |
|---|---|---|
| Driest month: | December | 3mm 0.1ins |
| Sunniest month: | April | 9.3hrs |
| Coldest month: | January | 23°C 73.4°F |
| Wettest month: | July | 351mm 13.8ins |