Muzaffarpur Weather in September
What's the weather like in Muzaffarpur (Bihār) in September 2025?
The climate in Muzaffarpur during September can be summarized as very hot, humid and very wet.
September is in the fall / autumn in Muzaffarpur 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 | 32.7°C 90.8°F |
|---|---|
| Nightly temperature | 25.2°C 77.3°F |
| Average temperature | 28.9°C 84°F |
| Daily sunshine | 4.6 hrs |
| Avg rainfall | 205 mm 8.1 ins |
| Rainy days | 8 days |
| Sea temperature | 26.2°C 79.1°F |
| Humidity | 79% |
| Windspeed | 5kph 3 mph |
On average September is the 3rd wettest month of the year in Muzaffarpur with around 205mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 hours of sunshine per day.
September temperatures in Muzaffarpur
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 Muzaffarpur in September 2025.
Other monthly averages
Best places to visit in September
Muzaffarpur weather stats
| Hottest month: | June | 35.6°C 96.1°F |
|---|---|---|
| Driest month: | December | 3mm 0.1ins |
| Sunniest month: | April | 9.4hrs |
| Coldest month: | January | 22.9°C 73.2°F |
| Wettest month: | July | 326mm 12.8ins |
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