Daegu weather in September
September in Daegu: warm, soaked, with very humid — fine if you can take 11 rainy days.
#7 of 12 months in Daegu · #621 of 897 destinations to visit in September · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
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Daegu climate normals — September
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Rainfall | 187 mm / 7.4 in | ⛈ soaked |
| Rainy days | 11 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 7.2 h/day | |
| Daylight | 12.4 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 60 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Daegu in September — FAQ
- Is September a good time to visit Daegu?
- September in Daegu: warm, soaked, with very humid — fine if you can take 11 rainy days. It ranks #7 of 12 months for Daegu on SeasonMap's comfort score (73/100).
- What is the weather like in Daegu in September?
- In September, Daegu averages a daily high of 25.3°C and a low of 18.1°C, with about 187.2 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Daegu in September?
- Daegu has a mean US Air Quality Index of about 60 in September.