The climate in Kattivākkam during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Kattivākkam and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 35°C (94°F), whilst at night 25°C (77°F) is normal.
| Daytime temperature | 34.5°C 94°F |
|---|---|
| Nightly temperature | 25.2°C 77.3°F |
| Average temperature | 29.8°C 85.6°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 132 mm 5.2 ins |
| Rainy days | 7 days |
| Sea temperature | 29.1°C 84.4°F |
| Humidity | 73% |
| Windspeed | 9.4kph 6 mph |
On average September is the 5th wettest month of the year in Kattivākkam with around 132mm 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.
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 Kattivākkam in September 2025.
Best places to visit in September
| Hottest month: | May | 38.1°C 100.6°F |
|---|---|---|
| Driest month: | March | 5mm 0.2ins |
| Sunniest month: | February | 10hrs |
| Coldest month: | January | 29.1°C 84.4°F |
| Wettest month: | November | 326mm 12.8ins |