The climate in Marakkanam during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Marakkanam 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 | 33.8°C 92.8°F |
|---|---|
| Nightly temperature | 24.8°C 76.6°F |
| Average temperature | 29.3°C 84.7°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 132 mm 5.2 ins |
| Rainy days | 6 days |
| Sea temperature | 29°C 84.1°F |
| Humidity | 73% |
| Windspeed | 9.7kph 6 mph |
On average September is the 5th wettest month of the year in Marakkanam with around 132mm 5.2 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 6.7 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 Marakkanam in September 2025.
Best places to visit in September
| Hottest month: | May | 37°C 98.6°F |
|---|---|---|
| Driest month: | March | 6mm 0.2ins |
| Sunniest month: | February | 9.7hrs |
| Coldest month: | January | 28.2°C 82.8°F |
| Wettest month: | November | 307mm 12.1ins |