Weather in Jeju: September
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Average day temperature: | 77.4°F |
| Average night temperature: | 72.8°F | |
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Sea water temperature: | 77.1°F |
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Number of sunny days: | 9 days |
| Day length: | 11.9 - 12.9 hours | |
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Number of rainy days: | 7 days |
| Precipitation totals: | 8.9 in. | |
| more information | ||
forecast
| Jeju |
temperature
| Jeju |
Air temperature in September, °F
The highest day temperature during September of 2024 was 88°F. At the same time the lowest night temperature was 71°F. Day and night temperature averages during September were 82.8°F and 77.1°F.
Sea water temperature in Jeju in September, °F
The average sea water temperature in September of 2024 was 82.6°F. The highest and lowest sea temperatures during the month were 85.6°F and 79.3°F.
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Jeju in September is 10.7 in. Other months of the year show relatively similar values.
The average wind speed value in September is 11.5 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.6.
Best time for vacation in Jeju
Jeju on a weather map
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