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Things to Do in Jeju Island in September
Real historical weather for Jeju Island in September: average highs of 27°C and lows of 25°C, with around 115mm of rain (averaged over the last 3 years). Jeju Island is in South Korea.
27°C
Average high
25°C
Average low
115mm
Typical rainfall
Real things to do in Jeju Island in September
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Premium Boat Snorkeling Adventure at Seopseom Island, Jeju
★ 5.0(1 reviews)· 1 hr
From €46

Jeju Island South UNESCO Highlights Day Tour With Mt Halla
★ 5.0(266 reviews)· 9 hrs
From €26

Jeju Island Eastern UNESCO site Full Day Guided Tour
★ 5.0(470 reviews)· 9 hrs
From €26

Jeju Eastern UNESCO Sites Day Tour
★ 4.9(236 reviews)· 9 hrs
From €29

Jeju Island English Private & Flexible Tour any number anywhere
★ 4.9(642 reviews)· 8 hrs
From €189

Jeju East Essentials – Seongsan Ilchulbong (UNESCO) & Haenyeo
★ 4.9(1,191 reviews)· 9 hrs
From €34

Jeju South-West Essentials: Hallasan & Signature Highlights
★ 4.9(747 reviews)· 8 hrs
From €34

Jeju Premium Small Group UNESCO Day Tour - South Course
★ 4.8(73 reviews)· 8 hrs
From €89

Half or Day Tour For Cruise customers arriving at Jeju City Port
★ 4.7(86 reviews)· 9 hrs
From €125

Private Day tour on the fantasy island for CRUISE customers
★ 4.5(15 reviews)· 8 hrs
From €143
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FAQs — Jeju Island in September
Based on real historical data (averaged over the last 3 years), expect highs around 27°C and lows around 25°C, with roughly 115mm of rain.