Jeju Weather September
To help you choose the best time to travel, you can find climate data below on the weather in Jeju in September.
|average daily high||+25.8°C|
|average daily low||+20.4°C|
|sunny / overcast hours||5.4 / 7.4|
|average monthly precipitation||222 mm|
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.
Best beach resorts in September:
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.
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.
The amount of precipitation in Jeju in September is usually 222 mm, a very high amount.