Supaul Weather in September

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

September is in the fall / autumn in Supaul and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 24°C (76°F) is normal.

On average September is the 3rd wettest month of the year in Supaul with around 212mm 8.3 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 4.5 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 Supaul in September 2025.