Bettiah Weather in September

The climate in Bettiah during September can be summarized as very hot, humid and very wet.

September is in the fall / autumn in Bettiah and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 25°C (77°F) is normal.

On average September is the 3rd wettest month of the year in Bettiah with around 259mm 10.2 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 4.9 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 Bettiah in September 2024.