The climate in Changnyeong during September can be summarized as warm, humid and wet.
September is in the fall / autumn in Changnyeong and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 16°C (60°F) is normal.
Daytime temperature | 26.3°C 79.3°F |
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Nightly temperature | 15.5°C 59.9°F |
Average temperature | 20.9°C 69.6°F |
Daily sunshine | 6.9 hrs |
Avg rainfall | 142 mm 5.6 ins |
Rainy days | 9 days |
Sea temperature | 24.6°C 76.4°F |
Humidity | 78% |
Windspeed | 5kph 3 mph |
On average September is the 4th wettest month of the year in Changnyeong with around 142mm 5.6 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.
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 Changnyeong in September 2025.
Best places to visit in September
Hottest month: | August | 30.6°C 87.1°F |
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Driest month: | December | 16mm 0.6ins |
Sunniest month: | January | 7.3hrs |
Coldest month: | January | 4.8°C 40.6°F |
Wettest month: | July | 252mm 9.9ins |