Weather in Sejong in september
Climate normals based on 10 years of historical data for Sejong, Lõuna Korea.
Average high
26°C
Average low
17°C
Rainfall
178 mm
8 rainy days
Sunshine
4.3h/day
Niiskus
78%
How Hot Is Sejong in september?
Warm days linger in Sejong: 26°C highs, 17°C lows, averaging 21°C. The pattern barely shifts from August — just a 4°C difference in average high.
Sunshine Hours in september
Sun and cloud trade off in Sejong's September: 4.3h of direct sun, daylight from 6:15 am to 6:35 pm.
Does It Rain In Sejong In september?
Concentrated wet stretches: Sejong averages 178mm across 8 days.
Is Sejong Humid In september?
Sejong is sticky and humid throughout September: 78% humidity makes the heat feel relentless.
Wind In Sejong In september
Light breezes typical: Sejong averages 12 kph wind in September.
Cloud Cover In Sejong In september
Grey, cloudy days are the norm: 56% average cover in Sejong.
Cities With Similar Weather In september
Weather in Sejong, month by month
| Month | High / Low | Vihm | |
|---|---|---|---|
| Jaanuari ilm | 3°C / -4°C | 22mm | Details → |
| Veebruari ilm | 6°C / -3°C | 34mm | Details → |
| Märtsi ilm | 13°C / 2°C | 49mm | Details → |
| Aprilli ilm | 19°C / 7°C | 82mm | Details → |
| Mai ilm | 24°C / 12°C | 101mm | Details → |
| Juuni ilm | 28°C / 17°C | 110mm | Details → |
| Juuli ilm | 30°C / 21°C | 328mm | Details → |
| Augusti ilm | 30°C / 22°C | 270mm | Details → |
| Septembri ilm | 26°C / 17°C | 178mm | |
| Oktoobri ilm | 20°C / 10°C | 66mm | Details → |
| Novembri ilm | 13°C / 4°C | 57mm | Details → |
| Detsembri ilm | 5°C / -3°C | 29mm | Details → |