Namp’o Weather in September
What's the weather like in Namp’o (P'yŏngan-namdo) in September 2025?
The climate in Namp’o during September can be summarized as warm and damp.
September is in the fall / autumn in Namp’o and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 15°C (58°F) is normal.
| Daytime temperature | 24.8°C 76.6°F |
|---|---|
| Nightly temperature | 14.7°C 58.4°F |
| Average temperature | 19.7°C 67.5°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 106 mm 4.2 ins |
| Rainy days | 9 days |
| Sea temperature | 22.7°C 72.9°F |
| Humidity | 74% |
| Windspeed | 7.9kph 5 mph |
On average September is the 3rd wettest month of the year in Namp’o with around 106mm 4.2 inches of rain making it a damp 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 7.8 hours of sunshine per day.
September temperatures in Namp’o
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 Namp’o in September 2025.
Other monthly averages
Best places to visit in September
Namp’o weather stats
| Hottest month: | August | 28.7°C 83.7°F |
|---|---|---|
| Driest month: | February | 12mm 0.5ins |
| Sunniest month: | March | 8hrs |
| Coldest month: | January | -2.1°C 28.2°F |
| Wettest month: | July | 301mm 11.9ins |
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