The climate in Thiruvaiyaru during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Thiruvaiyaru and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (92°F), whilst at night 25°C (77°F) is normal.
| Daytime temperature | 33.5°C 92.2°F |
|---|---|
| Nightly temperature | 25°C 76.9°F |
| Average temperature | 29.2°C 84.6°F |
| Daily sunshine | 6.5 hrs |
| Avg rainfall | 124 mm 4.9 ins |
| Rainy days | 6 days |
| Sea temperature | 28.5°C 83.3°F |
| Humidity | 76% |
| Windspeed | 10.1kph 6 mph |
On average September is the 4th wettest month of the year in Thiruvaiyaru with around 124mm 4.9 inches of rain making it a wet 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 6.5 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 Thiruvaiyaru in September 2025.
Best places to visit in September
| Hottest month: | May | 36°C 96.8°F |
|---|---|---|
| Driest month: | February | 9mm 0.4ins |
| Sunniest month: | February | 9.3hrs |
| Coldest month: | January | 29.1°C 84.4°F |
| Wettest month: | October | 200mm 7.9ins |