Kosan Weather in September
What's the weather like in Kosan (Gangwon) in September 2024?
The climate in Kosan during September can be summarized as mild and wet.
September is in the fall / autumn in Kosan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 22.1°C 71.7°F |
|---|---|
| Nightly temperature | 12.6°C 54.6°F |
| Average temperature | 17.3°C 63.1°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 190 mm 7.5 ins |
| Rainy days | 10 days |
| Sea temperature | 21.9°C 71.5°F |
| Humidity | 71% |
| Windspeed | 7.2kph 5 mph |
On average September is the 3rd wettest month of the year in Kosan with around 190mm 7.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in Kosan
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 Kosan in September 2024.
Other monthly averages
Best places to visit in September
Kosan weather stats
| Hottest month: | August | 26.1°C 79°F |
|---|---|---|
| Driest month: | December | 27mm 1.1ins |
| Sunniest month: | February | 7hrs |
| Coldest month: | January | -0.1°C 31.8°F |
| Wettest month: | August | 325mm 12.8ins |
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