Weather · Seoul, South Korea
Seoul Weather in September
Expect warm, wet in Seoul through September: highs near 26°C, lows around 17°C, 189mm of rain across the month. It's one of the best months to visit.
Avg high
26°C
79°F
Avg low
17°C
63°F
Rainfall
189mm
#4 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Seoul builds it around the season for you.