Neietsu Weather in September
What's the weather like in Neietsu (Gangwon) in September 2025?
The climate in Neietsu during September can be summarized as mild and wet.
September is in the fall / autumn in Neietsu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 23.6°C 74.4°F |
|---|---|
| Nightly temperature | 12.3°C 54.1°F |
| Average temperature | 17.9°C 64.2°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 162 mm 6.4 ins |
| Rainy days | 9 days |
| Sea temperature | 22.3°C 72.1°F |
| Humidity | 79% |
| Windspeed | 5kph 3 mph |
On average September is the 3rd wettest month of the year in Neietsu with around 162mm 6.4 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 6.9 hours of sunshine per day.
September temperatures in Neietsu
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 Neietsu in September 2025.
Other monthly averages
Best places to visit in September
Neietsu weather stats
| Hottest month: | August | 27.9°C 82.2°F |
|---|---|---|
| Driest month: | December | 27mm 1.1ins |
| Sunniest month: | January | 6.7hrs |
| Coldest month: | January | -0.1°C 31.8°F |
| Wettest month: | July | 299mm 11.8ins |
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