Daytime highs, nighttime lows and the warmest cities in Jeju Island, South Korea this September.
Jeju Island, South Korea, a region in South Korea, typically experiences warm weather in September, with maximum daytime temperatures around 26°C (79°F) and nighttime temperatures around 22°C (72°F) in Jeju. September falls during the summer season.
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.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Jeju Island.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Daytime temperatures in Jeju typically peak at 26°C (79°F) in September, putting it in the high range.
After dark, Jeju cools to about 22°C (72°F) on an average September night.
Jeju enjoys a balanced 162 hours of sunlight. This makes it neither too overcast nor too sunny.
We have much more information about the climate in Jeju Island.
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