Chengalpattu Weather in September
What's the weather like in Chengalpattu (Tamil Nādu) in September 2025?
The climate in Chengalpattu during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Chengalpattu and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 25°C (77°F) is normal.
| Daytime temperature | 33.9°C 93°F |
|---|---|
| Nightly temperature | 24.9°C 76.8°F |
| Average temperature | 29.4°C 84.9°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 133 mm 5.2 ins |
| Rainy days | 7 days |
| Sea temperature | 29°C 84.1°F |
| Humidity | 73% |
| Windspeed | 9.4kph 6 mph |
On average September is the 4th wettest month of the year in Chengalpattu with around 133mm 5.2 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 6.7 hours of sunshine per day.
September temperatures in Chengalpattu
September rainfall
September hourly sunshine
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 Chengalpattu in September 2025.
Other monthly averages
Best places to visit in September
Chengalpattu weather stats
| Hottest month: | May | 37.7°C 99.9°F |
|---|---|---|
| Driest month: | March | 5mm 0.2ins |
| Sunniest month: | February | 9.9hrs |
| Coldest month: | January | 28.4°C 83.1°F |
| Wettest month: | November | 277mm 10.9ins |
© Google
Locations nearby
Top India locations
- Āgra
- Amritsar
- Bangalore
- Bhopāl
- Bodhgaya
- Calangute
- Chennai
- Hyderābād
- Jaipur
- Kochi
- Kolkata
- Manāli
- Mumbai
- Mysore
- New Delhi
- Pune
- Shimla