Mettur Weather in September

The climate in Mettur during September can be summarized as hot, humid and damp.

September is in the fall / autumn in Mettur and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (72°F) is normal.

On average September is the 2nd wettest month of the year in Mettur with around 110mm 4.3 inches of rain making it a damp 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 5.9 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 Mettur in September 2025.