Vavuniya Weather in September
What's the weather like in Vavuniya (Northern Province) in September 2025?
The climate in Vavuniya during September can be summarized as very hot, humid and reasonably dry.
September is in the fall / autumn in Vavuniya and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 25°C (76°F) is normal.
| Daytime temperature | 32.2°C 90°F |
|---|---|
| Nightly temperature | 24.6°C 76.3°F |
| Average temperature | 28.4°C 83.1°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 57 mm 2.3 ins |
| Rainy days | 5 days |
| Sea temperature | 28.4°C 83.1°F |
| Humidity | 72% |
| Windspeed | 13kph 8 mph |
On average September is the 6th driest month of the year in Vavuniya with around 57mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
September temperatures in Vavuniya
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 Vavuniya in September 2025.
Other monthly averages
Best places to visit in September
Vavuniya weather stats
| Hottest month: | May | 32.8°C 91°F |
|---|---|---|
| Driest month: | June | 9mm 0.4ins |
| Sunniest month: | March | 9.2hrs |
| Coldest month: | January | 28.4°C 83.1°F |
| Wettest month: | November | 273mm 10.7ins |
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