Season guide · Jeju · South Korea
Jeju in autumn
September–November: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Grapesurgeon, CC BY-SA 4.0
Quick answer
Warm sea in September, clear skies and silver grass in October, and the tangerine harvest in November; typhoons are possible early on. Expect highs up to 26°C (79°F) and lows around 10°C (50°F), with about 29 rainy days across September–November. October–November are among the best months of the year to visit.
Key facts
- Months
- September–November
- Temperatures
- 10°C (50°F) to 26°C (79°F)
- Rainy days in the season
- About 29
- Sea
- 20°C (68°F) to 26°C (79°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in autumn
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| September | 26°C (79°F) | 21°C (70°F) | 11 | 12.3 h | 3/5 |
| October | 22°C (72°F) | 15°C (59°F) | 7 | 11.3 h | 4/5 |
| November | 16°C (61°F) | 10°C (50°F) | 11 | 10.4 h | 3/5 |
Compared with the rest of the year: average highs of 21°C (70°F) against a yearly 19°C (66°F), and 29 of the year's roughly 142 rainy days fall in these 3 months. Crowds rate 3/5 and hotel prices 3/5 on average.
What's on in autumn
Recurring events; dates move from year to year, so confirm with the organiser.
- September: Chuseok harvest holiday — busy domestic travel (September or early October)
- October: Tamna Cultural Festival — Jeju folk performances (usually autumn)
- October: Silver grass season on Saebyeol Oreum and other oreum (October–November)
- November: Tangerine harvest and farm picking (usually November–December)
Good choices for autumn
Historic site · Jeju City
Jeju 4.3 Peace Park
This memorial park and museum on the eastern edge of Jeju City documents the Jeju 4·3 incident, the violence of 1947–1954 in which thousands of islanders were killed.
- Time needed
- 1.5 hours
- Cost
- Free
- History
- Free
- Rainy day
Museum · Andeok
O'sulloc Tea Museum and Seogwang tea fields
Walk into the tea rows behind the museum for photos, then go early on weekends, when the café queue becomes long.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Food
- Rainy day
- Photo spot
Nature · Gujwa
Manjanggul Lava Tube
Part of the UNESCO-listed Geomunoreum lava-tube system, Manjanggul runs for about 7.4 km underground, of which roughly 1 km is open to visitors.
- Time needed
- 1 hour
- Cost
- Low cost
- Nature
- Rainy day
- Kids
Market · Jeju City Old Town
Jeju Dongmun Traditional Market
Come after about 6pm for the night-market food stalls, and buy boxed hallabong here to take home rather than at the airport.
- Time needed
- 1–2 hours
- Cost
- Low cost
- Food
- After dark
- Shopping
- Rainy day
Museum · Jocheon
Jeju Stone Park
This large park explains Jeju's volcanic origins and stone culture through an underground museum, outdoor trails lined with hundreds of dol hareubang statues and grave guardians, and reconstructed thatched houses.
- Time needed
- 2–3 hours
- Cost
- Low cost
- History
- Rainy day
- Kids
- Outdoors
Day trips in autumn
- Gapado (About 1 hour 15 minutes by car and ferry) — Low, flat Gapado is covered in barley fields that turn green in April and gold in May, with views back to Sanbangsan and Hallasan.
- Biyangdo (About 50 minutes by car and ferry) — The volcanic cone visible from Hyeopjae Beach is a tiny island with a short climb to Biyangbong lighthouse and a coastal path past lava formations.
What to pack
- Light layers for the day and a light jacket for the evening
- A packable rain jacket for showers
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is autumn a good time to visit Jeju?
Yes: October–November are among the best months. Warm sea in September, clear skies and silver grass in October, and the tangerine harvest in November; typhoons are possible early on.
+What is the weather like in Jeju in autumn?
Highs of up to 26°C (79°F) and lows around 10°C (50°F), with about 29 rainy days over the season.