Haldwāni Weather in September

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

September is in the fall / autumn in Haldwāni and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.

On average September is the 3rd wettest month of the year in Haldwāni with around 241mm 9.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 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 Haldwāni in September 2025.