Sariwŏn Weather in September
What's the weather like in Sariwŏn (Hwanghae-bukto) in September 2025?
The climate in Sariwŏn during September can be summarized as warm and damp.
September is in the fall / autumn in Sariwŏn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 15°C (58°F) is normal.
| Daytime temperature | 24.6°C 76.2°F |
|---|---|
| Nightly temperature | 14.5°C 58°F |
| Average temperature | 19.5°C 67.1°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 115 mm 4.5 ins |
| Rainy days | 9 days |
| Sea temperature | 22.7°C 72.9°F |
| Humidity | 75% |
| Windspeed | 7.2kph 5 mph |
On average September is the 3rd wettest month of the year in Sariwŏn with around 115mm 4.5 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 7.7 hours of sunshine per day.
September temperatures in Sariwŏn
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 Sariwŏn in September 2025.
Other monthly averages
Best places to visit in September
Sariwŏn weather stats
| Hottest month: | August | 28.6°C 83.5°F |
|---|---|---|
| Driest month: | February | 14mm 0.6ins |
| Sunniest month: | March | 7.9hrs |
| Coldest month: | January | -1.9°C 28.6°F |
| Wettest month: | July | 313mm 12.3ins |
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