The climate in Nārāyanavanam during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Nārāyanavanam and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 24°C (76°F) is normal.
| Daytime temperature | 33.7°C 92.6°F |
|---|---|
| Nightly temperature | 24.2°C 75.5°F |
| Average temperature | 28.9°C 84°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 135 mm 5.3 ins |
| Rainy days | 7 days |
| Sea temperature | 29°C 84.2°F |
| Humidity | 73% |
| Windspeed | 9.4kph 6 mph |
On average September is the 3rd wettest month of the year in Nārāyanavanam with around 135mm 5.3 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 Nārāyanavanam in September 2025.
Best places to visit in September
| Hottest month: | May | 38.2°C 100.8°F |
|---|---|---|
| Driest month: | February | 8mm 0.3ins |
| Sunniest month: | February | 9.9hrs |
| Coldest month: | January | 28.7°C 83.7°F |
| Wettest month: | October | 193mm 7.6ins |