Seoul weather by month › September
Seoul in September: weather and what to expect
It’s fine, but not the best. May is more pleasant.
September weather in Seoul
Daytime high79°F 26°C
Night low62°F 17°C
Rain5.0 in 127 mm
AirA little humid
SunSunny
In September, Seoul averages highs of 79°F (26°C) and lows of 62°F (17°C), with 5.0 in (127 mm) of rain. The air feels a little humid and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers, a rain jacket or umbrella.
Places with the same weather in September
Match out of 100 for September, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec