Viengthong Weather in September
What's the weather like in Viengthong (Houaphan) in September 2024?
The climate in Viengthong during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Viengthong and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 27.3°C 81.1°F |
|---|---|
| Nightly temperature | 19.3°C 66.7°F |
| Average temperature | 23.3°C 73.9°F |
| Daily sunshine | 5.4 hrs |
| Avg rainfall | 241 mm 9.5 ins |
| Rainy days | 19 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 84% |
| Windspeed | 5.4kph 3 mph |
On average September is the 4th wettest month of the year in Viengthong with around 241mm 9.5 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 5.4 hours of sunshine per day.
September temperatures in Viengthong
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 Viengthong in September 2024.
Other monthly averages
Best places to visit in September
Viengthong weather stats
| Hottest month: | June | 27.7°C 81.9°F |
|---|---|---|
| Driest month: | December | 20mm 0.8ins |
| Sunniest month: | December | 5.8hrs |
| Coldest month: | January | 20.7°C 69.3°F |
| Wettest month: | August | 381mm 15ins |
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