Seoul in Autumn — Weather & What to Expect
Autumn in Seoul (September, October, November) averages daytime highs of 18.2°C and lows of 9.2°C, with around 343.0mm of rain across the season (24 rainy days in total). It includes some of the best months of the year to visit (September, October, November).
In the northern hemisphere, autumn in Seoul covers September, October, November.
Autumn in Seoul month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 25.0°C | 17.1°C | 195.8mm | 10 | 9/10 |
| October | 18.2°C | 8.8°C | 74.9mm | 7 | 10/10 |
| November | 11.5°C | 1.8°C | 72.3mm | 7 | 10/10 |
What to pack for Seoul in autumn
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
- Warm layers
- Light jacket or fleece
Frequently Asked Questions
Is autumn a good time to visit Seoul?
Autumn in Seoul rates around 10/10 — excellent time to visit. Average highs are 18.2°C with 343.0mm of rain across the season.
How hot is Seoul in autumn?
Daytime highs average 18.2°C (64.8°F) across September, October, November, with nights around 9.2°C.
What months are autumn in Seoul?
Seoul is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Seoul · Seoul annual climate · Seoul in spring · Seoul in summer · Seoul in winter
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Once you know what autumn in Seoul looks like, find out exactly what to pack for Seoul at 247PackingList. For currency, language and country facts, see the South Korea guide at 247CountryInfo.
Autumn in Seoul — what to pack
Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →Check clothing sizes in South Korea at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.