Rasi Salai Weather in September
What's the weather like in Rasi Salai (Sisaket) in September 2025?
The climate in Rasi Salai during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Rasi Salai and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.4°C 88.4°F |
|---|---|
| Nightly temperature | 24.1°C 75.3°F |
| Average temperature | 27.7°C 81.9°F |
| Daily sunshine | 6.1 hrs |
| Avg rainfall | 289 mm 11.4 ins |
| Rainy days | 19 days |
| Sea temperature | 29.1°C 84.3°F |
| Humidity | 83% |
| Windspeed | 3.6kph 2 mph |
On average September is the wettest month of the year in Rasi Salai with around 289mm 11.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
September temperatures in Rasi Salai
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 Rasi Salai in September 2025.
Other monthly averages
Best places to visit in September
Rasi Salai weather stats
| Hottest month: | April | 35.8°C 96.4°F |
|---|---|---|
| Driest month: | December | 1mm 0ins |
| Sunniest month: | January | 10.3hrs |
| Coldest month: | December | 29.3°C 84.7°F |
| Wettest month: | September | 289mm 11.4ins |
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