Yanggu Weather in September
What's the weather like in Yanggu (Gangwon) in September 2025?
The climate in Yanggu during September can be summarized as mild and wet.
September is in the fall / autumn in Yanggu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 23°C 73.3°F |
|---|---|
| Nightly temperature | 12.3°C 54.1°F |
| Average temperature | 17.6°C 63.7°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 164 mm 6.5 ins |
| Rainy days | 9 days |
| Sea temperature | 21.9°C 71.5°F |
| Humidity | 78% |
| Windspeed | 5.8kph 4 mph |
On average September is the 3rd wettest month of the year in Yanggu with around 164mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
September temperatures in Yanggu
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 Yanggu in September 2025.
Other monthly averages
Best places to visit in September
Yanggu weather stats
| Hottest month: | August | 27.2°C 81°F |
|---|---|---|
| Driest month: | January | 20mm 0.8ins |
| Sunniest month: | February | 6.9hrs |
| Coldest month: | January | -1.1°C 30°F |
| Wettest month: | July | 312mm 12.3ins |
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