Weather in Jungmun Beach, Jeju Island, South Korea in September

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Visiting Jungmun Beach, Jeju Island, South Korea in September

September is one of the best months to visit Jungmun Beach for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is much cooler than the previous month and temperatures continue to drop quickly into October. September has average maximum temperatures of 25°C (78°F) which is very warm and perfect for sunbathing on clear days. 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.

Sea temperatures are a very warm 27°C (81°F). September is an excellent month for swimming in Jungmun Beach 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 quickly into October.

In September, the weather starts to cool down slightly but remains warm enough for swimming, sunbathing, and beach activities. The water temperature is still comfortable, and the wind conditions are suitable for snorkeling, diving, surfing, windsurfing, and kitesurfing. Also consider visiting Jungmun Beach in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Jungmun Beach in September?

Yes, September is a good time for sunbathing in Jungmun Beach.

September has average maximum temperatures of 25°C (78°F) which is very warm and perfect for sunbathing on clear days. 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.

Can you swim in Jungmun Beach in September?

Yes, September is an excellent month for swimming in Jungmun Beach with very warm sea temperatures 27°C (81°F).

More about September sea temperatures.

Is September a good time to holiday in Jungmun Beach?

Yes, September is a good time for a holiday in Jungmun Beach.

September has average maximum temperatures of 25°C (78°F) which is very warm and perfect for sunbathing on clear days. 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. Sea temperatures are a very warm 27°C (81°F). September is an excellent month for swimming in Jungmun Beach with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Jungmun Beach warm in September?

Yes, Jungmun Beach is very warm and perfect for sunbathing on clear days in September.

The average maximum temperature in Jungmun Beach in September is 25°C (78°F). The average maximum temperature is 30°C (86°) in the previous month and 21°C (70°F) in the next month.

The average temperature in Jungmun Beach in September is 23°C (73°F). The average temperature is 27°C (81°F) in the previous month and 18°C (65°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Jungmun Beach in September?

The average day light hours per day in Jungmun Beach 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.

Crowds in Jungmun Beach in September

September sees a decrease in temperature, ranging from 20°C to 26°C. The beach starts to get less crowded as the peak travel season comes to an end. However, the Chuseok (Korean Thanksgiving) holiday usually falls in September, which may bring some local visitors to the island.

Temperature in Jungmun Beach in September

The weather in September is much cooler than the previous month and temperatures continue to drop quickly into October. The average maximum temperature in Jungmun Beach in September is 25°C (78°F). The average maximum temperature is 30°C (86°F) in the previous month and 21°C (70°F) in the next month.

The average temperature in Jungmun Beach in September is 23°C (73°F). The average temperature is 27°C (81°F) in the previous month and 18°C (65°F) in the next month.

The average minimum temperature in Jungmun Beach in September is 21°C (69°F). The minimum temperature is 25°C (76°F) in the previous month and 16°C (60°F) in the next month.

Sunshine in Jungmun Beach in September

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 Jungmun Beach. 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 Jungmun Beach in September is typically 8.9 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.

Sea Temperature in Jungmun Beach in September

The average sea water temperature in Jungmun Beach in September is 27.1°C (80.8°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 quickly into October.

Humidity in Jungmun Beach in September

The maximum dew point (an indicator of humidity) in Jungmun Beach in September is 20°C (68°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 24°C (75°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in Jungmun Beach in September is typically 85.4%. The maximum relative humidity is 87.6% in the previous month and 78% in the next month.

The average relative humidity in Jungmun Beach in September is typically 75%. The average relative humidity is 76.7% in the previous month and 66% in the next month.

Wind Speed in Jungmun Beach in September

The average maximum wind speed in Jungmun Beach in September is typically 26KM/H (16MPH). The average maximum wind speed is 25KM/H (16MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind speed in Jungmun Beach in September is typically 13KM/H (8MPH). The average wind speed is 12KM/H (7MPH) in the previous month and 13KM/H (8MPH) in the next month.

The average wind direction in Jungmun Beach in September is from the East.

Monthly Averages

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Need Inspiration?

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