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Hourly Forecast
Daylight Hours
06:20
Sunrise
18:31
Sunset
Moon
Waxing Crescent
11:26
Moonrise
21:02
Moonset
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Weather in Seoul today, September 16, 2026
Seoul is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The opening hours look fair, as cloud stays near 2% around 11:00. Morning errands should face fewer weather interruptions.
The day peaks near 28°C and cools toward 15°C. The air stays humid, with relative humidity between 32% and 64% and the peak around 09:00. A lighter breeze peaks around 18:00 near 2.4 km/h.
Later hours favour clearer intervals, as cloud stays near 13% around 23:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Daylight runs from 06:20 to 18:31, lasting 12 hours 11 minutes of sunlight today.
Overall, Seoul on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 28°C.
Frequently asked questions about weather in Seoul
How warm does it get in Seoul?
The warmest month in Seoul is August, with average high temperatures of 30°C. The average temperature during this period is around 26°C.
How cold does it get in Seoul?
The coldest month in Seoul is January, with average low temperatures of -7°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Seoul?
The wettest month in Seoul is July, with an average of 287mm of precipitation.
What is the driest time of year in Seoul?
The driest month in Seoul is January, with an average of 20mm of precipitation.
