South KoreaCountries South Korea Jeju Island September Temperatures
South KoreaSouth Korea Jeju Island
Jeju Island South Korea
Temperatures in September
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Temperature in Jeju Island in September

Jeju Island is a region in South Korea. September is generally a warm month with maximum daytime temperatures around 26°C and nighttime temperatures around 22°C in Jeju. September is a summer month.

What is the temperature of the different cities in Jeju Island in September?

Curious about the September temperatures in the prime spots of Jeju Island? Navigate the map below and tap on a destination dot for more detailed stats.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the weather conditions for any month in Jeju Island.

For a detailed overview of the weather over the year and the best time to visit South Korea, check out our Jeju Island's climate page.

  • How much sun does Jeju Island get in September?
    • Most areas experience a moderate amount of sunshine, with approximately 162 hours of sunlight expected in Jeju. This makes it neither too gloomy nor overly bright.

    Interested in more climate information?

    Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed historical weather averages for many cities in South Korea.

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