Nīlgiri Weather in September

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

September is in the fall / autumn in Nīlgiri and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (77°F) is normal.

On average September is the 2nd wettest month of the year in Nīlgiri with around 301mm 11.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 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 Nīlgiri in September 2025.