The climate in Phanna Nikhom during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Phanna Nikhom and is typically the 6th warmest 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 | 31.3°C 88.3°F |
|---|---|
| Nightly temperature | 24°C 75.1°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 245 mm 9.7 ins |
| Rainy days | 18 days |
| Sea temperature | 29.1°C 84.4°F |
| Humidity | 82% |
| Windspeed | 3.6kph 2 mph |
On average September is the 4th wettest month of the year in Phanna Nikhom with around 245mm 9.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 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 Phanna Nikhom in September 2025.
Best places to visit in September
| Hottest month: | April | 34.5°C 94.1°F |
|---|---|---|
| Driest month: | December | 2mm 0.1ins |
| Sunniest month: | December | 9.4hrs |
| Coldest month: | December | 28.1°C 82.6°F |
| Wettest month: | August | 387mm 15.2ins |