Chennimalai Weather in September
What's the weather like in Chennimalai (Tamil Nādu) in September 2025?
The climate in Chennimalai during September can be summarized as hot, humid and reasonably dry.
September is in the fall / autumn in Chennimalai and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (90°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 32.5°C 90.4°F |
|---|---|
| Nightly temperature | 22.8°C 73°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 67 mm 2.6 ins |
| Rainy days | 6 days |
| Sea temperature | 28.1°C 82.6°F |
| Humidity | 80% |
| Windspeed | 9.4kph 6 mph |
On average September is the 4th wettest month of the year in Chennimalai with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Chennimalai
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 Chennimalai in September 2025.
Other monthly averages
Best places to visit in September
Chennimalai weather stats
| Hottest month: | April | 36.6°C 97.9°F |
|---|---|---|
| Driest month: | January | 9mm 0.4ins |
| Sunniest month: | February | 9.4hrs |
| Coldest month: | December | 29.5°C 85.1°F |
| Wettest month: | October | 164mm 6.5ins |
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