The climate in Huyên Sơn Dương during September can be summarized as very hot, humid and very wet.
September is in the fall / autumn in Huyên Sơn Dương and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.
Daytime temperature | 31.8°C 89.2°F |
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Nightly temperature | 24.5°C 76°F |
Average temperature | 28.1°C 82.6°F |
Daily sunshine | 6 hrs |
Avg rainfall | 201 mm 7.9 ins |
Rainy days | 14 days |
Sea temperature | 29.2°C 84.6°F |
Humidity | 83% |
Windspeed | 5.4kph 3 mph |
On average September is the 4th wettest month of the year in Huyên Sơn Dương with around 201mm 7.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 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 Huyên Sơn Dương in September 2025.
Best places to visit in September
Hottest month: | July | 33.4°C 92.1°F |
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Driest month: | December | 18mm 0.7ins |
Sunniest month: | September | 6hrs |
Coldest month: | January | 19.9°C 67.8°F |
Wettest month: | August | 288mm 11.3ins |