Seoul in September
September in Seoul brings highs around 79°F (26°C), lows near 64°F and about 7 rainy days. The sun sets around 6:41 pm. It's a good month for sightseeing, if not the best.
Photo: 라성민, CC BY-SA 3.0
What September is good for in Seoul
Each activity rated for September's weather.
September next to August and October
| Month | August | September | October |
|---|---|---|---|
| High | 86°F (30°C) | 79°F (26°C) | 68°F (20°C) |
| Low | 73°F (23°C) | 64°F (18°C) | 51°F (11°C) |
| Rainy days | 12 | 7 | 5 |
| Sunset | 7:25 pm | 6:41 pm | 5:56 pm |
| Daylight | 13 h 37 min | 12 h 27 min | 11 h 16 min |
Averages for Seoul, 1991–2020; sunrise and sunset on the 15th.
Tours in Seoul
Seoul City Sightseeing Tour Including Gyeongbokgung Palace, N Seoul Tower, and Namsangol Hanok VillageFrom $32View 
Best DMZ Tour Korea from Seoul (Suspension Bridge & JSA Museum)From $50View 
Seoul Street Food Market TourFrom $75View 
Seoul : Night Hidden Gems Walking TourFrom $35View 
Full-day Customizable Private Seoul Highlight TourFrom $230View 
Seoul N Seoul Tower Observatory TicketFrom $18View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is September a good time to visit Seoul?
It's a good month for sightseeing, if not the best. The most comfortable months overall are April, May and October.
How hot is Seoul in September?
Average highs are about 79°F (26°C) and lows about 64°F (18°C).
Does it rain much in Seoul in September?
September averages 7 rainy days, against 13 in the wettest month.
