Weather in Seoul in september
Climate normals based on 10 years of historical data for Seoul, Lõuna Korea.
Average high
26°C
Average low
18°C
Rainfall
154 mm
8 rainy days
Sunshine
4.5h/day
Niiskus
62%
Sea temperature
27.0°C
How Hot Is Seoul in september?
September keeps the warm sun on Seoul — 26°C by day, 18°C at night.
Sunshine Hours in september
Seoul's September averages 4.5h of direct sun — cloud cover varies day to day.
Does It Rain In Seoul In september?
Heavy bursts of rain: Seoul sees 154mm in 8 concentrated days in September.
Is Seoul Humid In september?
Seoul feels muggy this month with humidity around 62%, especially in calm air.
How Warm Is The Sea In Seoul In september?
Warm water at 27.0°C makes September ideal beach weather in Seoul.
Wind In Seoul In september
Light breezes typical: Seoul averages 13 kph wind in September.
Cloud Cover In Seoul In september
Grey, cloudy days are the norm: 55% average cover in Seoul.
Cities With Similar Weather In september
Weather in Seoul, month by month
| Month | High / Low | Vihm | |
|---|---|---|---|
| Jaanuari ilm | 2°C / -5°C | 19mm | Details → |
| Veebruari ilm | 5°C / -3°C | 26mm | Details → |
| Märtsi ilm | 12°C / 2°C | 43mm | Details → |
| Aprilli ilm | 18°C / 8°C | 68mm | Details → |
| Mai ilm | 23°C / 13°C | 125mm | Details → |
| Juuni ilm | 27°C / 18°C | 139mm | Details → |
| Juuli ilm | 29°C / 23°C | 356mm | Details → |
| Augusti ilm | 30°C / 23°C | 304mm | Details → |
| Septembri ilm | 26°C / 18°C | 154mm | |
| Oktoobri ilm | 20°C / 11°C | 82mm | Details → |
| Novembri ilm | 12°C / 4°C | 65mm | Details → |
| Detsembri ilm | 4°C / -4°C | 27mm | Details → |