Don Tan Weather in September
What's the weather like in Don Tan (Mukdahan) in September 2025?
The climate in Don Tan during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Don Tan and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 30.9°C 87.5°F |
|---|---|
| Nightly temperature | 23.4°C 74°F |
| Average temperature | 27.1°C 80.8°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 264 mm 10.4 ins |
| Rainy days | 18 days |
| Sea temperature | 29.1°C 84.4°F |
| Humidity | 82% |
| Windspeed | 5kph 3 mph |
On average September is the 3rd wettest month of the year in Don Tan with around 264mm 10.4 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 5.9 hours of sunshine per day.
September temperatures in Don Tan
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 Don Tan in September 2025.
Other monthly averages
Best places to visit in September
Don Tan weather stats
| Hottest month: | April | 34.6°C 94.3°F |
|---|---|---|
| Driest month: | January | 3mm 0.1ins |
| Sunniest month: | January | 9.5hrs |
| Coldest month: | December | 28°C 82.4°F |
| Wettest month: | August | 337mm 13.3ins |
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