Weather in Seoul in September
Seoul, South Korea averages a high of 24.9°C (76.8°F) and low of 16.7°C (62.1°F) in September, with 8 rain days and 8.5 hours of daily sunshine. Travel score: 82/100 (Excellent). The best time to visit Seoul is June.
High
25°C77°F
Low
17°C62°F
🌧️
8
rain days
☀️
8.5
hrs/day sunshine
💧
77%
humidity
82— Excellent
September in Seoul is warm and mostly dry — excellent conditions for exploring.
What are the average temperatures in Seoul?
How much does it rain in Seoul in September?
Seoul receives an average of 123.8mm of rainfall across 8 rainy days in September. The annual total is 1204.4mm.
What should I pack for Seoul in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting South Korea in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31