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Jeju in September

South Korea

Jeju in September

27° / 21°Rainy days 13

Good-value Jeju hotels in September

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eSIMeSIM for South KoreaData the moment you landKlook eSIMeSIM guide →Airalo ↗

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Jeju weather in September

High / Low

27° / 21°

Rain

210 mm

Rainy days

13 / 30

Index · #6/12

77/100

Jeju in September ranks #6 of 12 months for comfort: highs around 27°C, lows 21°C, and about 13 rainy days. Compared with August, highs change by -5°C and rainy days by -2.

Compared with the months around it

MonthHigh / LowRainy daysIndex
August31° / 26°1650
September27° / 21°1377
October23° / 17°788

Top tours & tickets in Jeju

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Public holidays · September 2027

Showing 2027, since this month has passed this year.

  • 09/14Chuseok
  • 09/15Chuseok
  • 09/16Chuseok

Month

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