The climate in Sailāna during September can be summarized as hot and very wet.
September is in the fall / autumn in Sailāna and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 31°C (88°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 31°C 87.7°F |
|---|---|
| Nightly temperature | 21.9°C 71.3°F |
| Average temperature | 26.4°C 79.5°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 200 mm 7.9 ins |
| Rainy days | 7 days |
| Sea temperature | 27.7°C 81.9°F |
| Humidity | 68% |
| Windspeed | 9.7kph 6 mph |
On average September is the 3rd wettest month of the year in Sailāna with around 200mm 7.9 inches of rain making it a very 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 7.1 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 Sailāna in September 2025.
Best places to visit in September
| Hottest month: | May | 39.5°C 103.1°F |
|---|---|---|
| Driest month: | February | 1mm 0ins |
| Sunniest month: | February | 10.3hrs |
| Coldest month: | January | 25.5°C 77.9°F |
| Wettest month: | August | 337mm 13.3ins |