Chennai Weather in September

What's the weather like in Chennai (Tamil Nādu) in September 2024?

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

September is in the fall / autumn in Chennai and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (94°F), whilst at night 25°C (77°F) is normal.

Chennai weather averages (imperial / metric)
Daytime temperature 34.4°C 93.8°F
Nightly temperature 25.1°C 77.1°F
Average temperature 29.7°C 85.5°F
Daily sunshine 6.8 hrs
Avg rainfall 135 mm 5.3 ins
Rainy days 7 days
Sea temperature 29.1°C 84.4°F
Humidity 73%
Windspeed 9.7kph 6 mph

On average September is the 5th wettest month of the year in Chennai with around 135mm 5.3 inches of rain making it a 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 6.8 hours of sunshine per day.

September temperatures in Chennai

Chennai average temperature in September

September rainfall

Chennai average rain in September

September hourly sunshine

Chennai average rain in September

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 Chennai in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Chennai weather stats

Chennai weather statistics
Hottest month: May 38.1°C 100.6°F
Driest month: March 4mm 0.2ins
Sunniest month: February 10hrs
Coldest month: January 29.1°C 84.4°F
Wettest month: November 343mm 13.5ins
Map showing location of Chennai (13.08784, 80.27847) Chennai map pin © Google

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