The climate in Daegu during September can be summarized as warm, humid and wet.
September is in the fall / autumn in Daegu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 26.1°C 78.9°F |
|---|---|
| Nightly temperature | 15.2°C 59.3°F |
| Average temperature | 20.6°C 69.1°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 129 mm 5.1 ins |
| Rainy days | 9 days |
| Sea temperature | 24.6°C 76.4°F |
| Humidity | 76% |
| Windspeed | 5.8kph 4 mph |
On average September is the 4th wettest month of the year in Daegu with around 129mm 5.1 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 7 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 Daegu in September 2025.
Best places to visit in September
| Hottest month: | August | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | December | 15mm 0.6ins |
| Sunniest month: | January | 7.3hrs |
| Coldest month: | January | 3.9°C 39°F |
| Wettest month: | July | 218mm 8.6ins |