Ch’ŏngjin Weather in September
What's the weather like in Ch’ŏngjin (Hamgyŏng-bukto) in September 2025?
The climate in Ch’ŏngjin during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Ch’ŏngjin and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 22.1°C 71.7°F |
|---|---|
| Nightly temperature | 11.4°C 52.4°F |
| Average temperature | 16.7°C 62.1°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 74 mm 2.9 ins |
| Rainy days | 11 days |
| Sea temperature | 20.1°C 68.2°F |
| Humidity | 74% |
| Windspeed | 10.1kph 6 mph |
On average September is the 3rd wettest month of the year in Ch’ŏngjin with around 74mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 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 Ch’ŏngjin
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 Ch’ŏngjin in September 2025.
Other monthly averages
Best places to visit in September
Ch’ŏngjin weather stats
| Hottest month: | August | 26.1°C 79°F |
|---|---|---|
| Driest month: | February | 14mm 0.6ins |
| Sunniest month: | March | 7.5hrs |
| Coldest month: | January | -4°C 24.8°F |
| Wettest month: | August | 137mm 5.4ins |
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