The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. September has average maximum temperatures of 6°C (43°F) which is too cold for sunbathing. The sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 5.0 hours of sunshine per day. It is not a good time for sunbathing in Jeju Island.
Sea temperatures are a very warm 27°C (80°F). September is an excellent month for swimming in Jeju Island with very comfortable temperatures for bathing all day. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.
Also consider one of our other suggestions for September.
No, September is not a good time for sunbathing in Jeju Island.
September has average maximum temperatures of 6°C (43°F) which is too cold for sunbathing. The sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 5.0 hours of sunshine per day.
More about September temperature and sunshine.
Yes, September is an excellent month for swimming in Jeju Island with very warm sea temperatures 27°C (80°F).
More about September sea temperatures.
No, September is not a good time for a holiday in Jeju Island.
September has average maximum temperatures of 6°C (43°F) which is too cold for sunbathing. The sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 5.0 hours of sunshine per day. It is not a good time for sunbathing in Jeju Island. Sea temperatures are a very warm 27°C (80°F). September is an excellent month for swimming in Jeju Island with very comfortable temperatures for bathing all day.
More about the September temperatures and sunshine.
No, Jeju Island is too cold for sunbathing in September.
The average maximum temperature in Jeju Island in September is 6°C (43°F). The average maximum temperature is 8°C (46°) in the previous month and 5°C (42°F) in the next month.
The average temperature in Jeju Island in September is 6°C (42°F). The average temperature is 7°C (44°F) in the previous month and 5°C (40°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in Jeju Island in September are 12.4. The sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 5.0 hours of sunshine per day.
More about September sunshine.
The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. The average maximum temperature in Jeju Island in September is 6°C (43°F). The average maximum temperature is 8°C (46°F) in the previous month and 5°C (42°F) in the next month.
The average temperature in Jeju Island in September is 6°C (42°F). The average temperature is 7°C (44°F) in the previous month and 5°C (40°F) in the next month.
The average minimum temperature in Jeju Island in September is 5°C (41°F). The minimum temperature is 6°C (43°F) in the previous month and 4°C (39°F) in the next month.
The days in September are slightly shorter than the previous month and days continue to get slightly shorter into October. During September the average day light hours are 12.4 per day in Jeju Island. The sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 5.0 hours of sunshine per day.
The ultraviolet index in Jeju Island in September is typically 8.8 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Jeju Island in September is 26.6°C (79.9°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.
The maximum dew point (an indicator of humidity) in Jeju Island in September is 5°C (41°F) which is a bit dry for some. The dew point is 6°C (43°F) in the previous month and 4°C (4°F) in the next month.
The average maximum relative humidity in Jeju Island in September is typically 21.4%. The maximum relative humidity is 21.9% in the previous month and 19.5% in the next month.
The average relative humidity in Jeju Island in September is typically 18.8%. The average relative humidity is 19.2% in the previous month and 16.5% in the next month.
The average maximum wind speed in Jeju Island in September is typically 6KM/H (4MPH). The average maximum wind speed is 6KM/H (4MPH) in the previous month and 6KM/H (4MPH) in the next month.
The average wind speed in Jeju Island in September is typically 3KM/H (2MPH). The average wind speed is 3KM/H (2MPH) in the previous month and 3KM/H (2MPH) in the next month.
The average wind direction in Jeju Island in September is from the North.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
