The climate in Phanom Dong Rak during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Phanom Dong Rak and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (89°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 31.4°C 88.5°F |
|---|---|
| Nightly temperature | 23.2°C 73.8°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 250 mm 9.8 ins |
| Rainy days | 19 days |
| Sea temperature | 29°C 84.1°F |
| Humidity | 84% |
| Windspeed | 3.6kph 2 mph |
On average September is the wettest month of the year in Phanom Dong Rak with around 250mm 9.8 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 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 Phanom Dong Rak in September 2025.
Best places to visit in September
| Hottest month: | April | 35.6°C 96.1°F |
|---|---|---|
| Driest month: | December | 3mm 0.1ins |
| Sunniest month: | December | 9.8hrs |
| Coldest month: | December | 29.4°C 84.9°F |
| Wettest month: | September | 250mm 9.8ins |