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Jeju
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Hotels

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Flights

Jeju Weather September

Jeju is situated in humid subtropical zone which is known for warm weather during summer time with high humidity and soft and cool winter with short rainfalls.

To help you choose the best time to travel, you can find climate data below on the weather in Jeju in September.

day temperatureaverage daily high+25.8°C
night temperatureaverage daily low+20.4°C
sea temperaturesea temperature+24.5°C
day lengthdaytime12.8 h
sunny hours per daysunny / overcast hours5.4 / 7.4
average monthly precipitationaverage monthly precipitation222 mm

The best weather conditions for the beach leisure in Jeju are typically July, August, September. Best season with the soft weather for the sightseeing and long walks are May, June, October.

Best places in September


Temperature in Jeju

In September the average daily maximum in Jeju is +25.8°C, and the minimum +20.4°C.

The hottest September day on record is +34.4°C, and the coldest +9.8°C.

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Best beach resorts in September:

Barcelona
Spain

Nice
France

Rimini
Italy

Cannes
France

Lisbon
Portugal

Marseille
France


Algarve
Portugal

Marbella
Spain

Naples
Italy

Split
Croatia

Dubrovnik
Croatia

Hurghada
Egypt


Daylight hours

There are 12.8 hours of daylight in Jeju in September. Out of these, on average 5.4 are sunny, which means it is mostly cloudy.

Most Popular Destinations in the World


Sea temperature

The average monthly temperature in the Korea Strait on the beaches of Jeju in September is +24.5°C.

The water is warm enough for nearly everyone to bathe in.

Jeju climate by month


Precipitation

The amount of precipitation in Jeju in September is usually 222 mm, a very high amount.

Beach resorts in Korea