Kolkata Weather in September

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

September is in the fall / autumn in Kolkata and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 26°C (78°F) is normal.

On average September is the 3rd wettest month of the year in Kolkata with around 271mm 10.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.1 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 Kolkata in September 2024.