Weather in Sydkorea in september
Country-wide climate normals across 31 cities in Sydkorea.
How Hot Is Sydkorea in september?
Sydkorea's September is consistently warm — typical 26°C, with no major regional outliers.
Sunshine in Sydkorea in september
Sun and cloud trade off across Sydkorea in September: Seoul averages 4.0h of direct sun a day, with daylight from 6:15 am to 6:40 pm. Conditions vary day to day, with bright spells interrupted by cloudy stretches. Most regions of the country see a similar mixed pattern, though some areas may lean drier or wetter than the national average.
Does It Rain In Sydkorea In september?
Monsoon-like conditions dominate Sydkorea's September: Seoul sees 205mm of rain across 10 days, similar nationwide. Heavy showers fall almost daily, often in dramatic afternoon downpours. Sunshine is brief between storms, and humidity stays high throughout the month.
Is Sydkorea Humid In september?
Mugginess defines Sydkorea's September: humidity averages 73% in Seoul, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In Sydkorea In september
Sydkorea's September has gentle wind — Seoul averages 15 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Sydkorea In september
Cloudy skies dominate Sydkorea in September — 58% cover in Seoul, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.