Jeju in Autumn — Weather & What to Expect
Autumn in Jeju (September, October, November) averages daytime highs of 20.7°C and lows of 15.9°C, with around 639.0mm of rain across the season (38 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 Jeju covers September, October, November.
Autumn in Jeju month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 25.7°C | 21.6°C | 482.5mm | 18 | 8/10 |
| October | 20.4°C | 15.6°C | 54.2mm | 8 | 10/10 |
| November | 16.1°C | 10.4°C | 102.3mm | 12 | 9/10 |
What to pack for Jeju in autumn
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
- Light waterproof layer
- Warm layers
Frequently Asked Questions
Is autumn a good time to visit Jeju?
Autumn in Jeju rates around 9/10 — excellent time to visit. Average highs are 20.7°C with 639.0mm of rain across the season.
How hot is Jeju in autumn?
Daytime highs average 20.7°C (69.3°F) across September, October, November, with nights around 15.9°C.
What months are autumn in Jeju?
Jeju is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Jeju · Jeju annual climate · Jeju in spring · Jeju in summer · Jeju in winter
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Once you know what autumn in Jeju looks like, find out exactly what to pack for Jeju at 247PackingList. For currency, language and country facts, see the South Korea guide at 247CountryInfo.
Autumn in Jeju — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
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.