The climate in Lalgudi during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Lalgudi and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 25°C (76°F) is normal.
| Daytime temperature | 33.4°C 92°F |
|---|---|
| Nightly temperature | 24.7°C 76.4°F |
| Average temperature | 29°C 84.2°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 125 mm 4.9 ins |
| Rainy days | 7 days |
| Sea temperature | 28.3°C 83°F |
| Humidity | 77% |
| Windspeed | 9.7kph 6 mph |
On average September is the 3rd wettest month of the year in Lalgudi with around 125mm 4.9 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 6.4 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 Lalgudi in September 2025.
Best places to visit in September
| Hottest month: | May | 36°C 96.8°F |
|---|---|---|
| Driest month: | February | 8mm 0.3ins |
| Sunniest month: | February | 9.3hrs |
| Coldest month: | January | 29.6°C 85.3°F |
| Wettest month: | October | 192mm 7.6ins |