Weather in Koh Khai, Tarutao National Park, Thailand in September

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Visiting Koh Khai, Tarutao National Park, Thailand in September

The weather in September is slightly cooler than the previous month. September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Koh Khai.

September has total rainfall of 28.1cm (11.1inches) making it quite rainy but mostly with moderate tropical showers. There are 20.2 days with some rainfall so there are few clear days to enjoy the beach.

Sea temperatures are a very warm 29°C (84°F). September is an excellent month for swimming in Koh Khai with very comfortable temperatures for bathing all day. The sea temperature in September is slightly cooler than the previous month.

September is one of the wettest months in Koh Khai, with frequent rain showers and overcast days. However, there are still sunny days when beach activities such as swimming, sunbathing, snorkeling, and diving can be enjoyed. Windsurfing and kitesurfing conditions may be less favorable due to the increased rainfall and changing winds. Consider visiting Koh Khai in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Koh Khai in September?

Yes, September is not an optimal time for sunbathing but it is possible on clearer days in Koh Khai.

September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 28.1cm (11.1inches) making it quite rainy but mostly with moderate tropical showers. There are 20.2 days with some rainfall so there are few clear days to enjoy the beach.

More about September temperature and sunshine.

Can you swim in Koh Khai in September?

Yes, September is an excellent month for swimming in Koh Khai with very warm sea temperatures 29°C (84°F).

More about September sea temperatures.

Is September a good time to holiday in Koh Khai?

Yes, September is a good time for a holiday in Koh Khai.

September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 28.1cm (11.1inches) making it quite rainy but mostly with moderate tropical showers. There are 20.2 days with some rainfall so there are few clear days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in Koh Khai. Sea temperatures are a very warm 29°C (84°F). September is an excellent month for swimming in Koh Khai with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Koh Khai warm in September?

Yes, Koh Khai is very hot and perfect for sunbathing on clear days in September.

The average maximum temperature in Koh Khai in September is 31°C (87°F). The average maximum temperature is 31°C (87°) in the previous month and 31°C (87°F) in the next month.

The average temperature in Koh Khai in September is 28°C (82°F). The average temperature is 28°C (82°F) in the previous month and 28°C (82°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Koh Khai in September?

The average day light hours per day in Koh Khai in September are 12.2. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

More about September sunshine.

Crowds in Koh Khai in September

September is one of the quietest months at Koh Khai beaches, with the rainy season in full swing and no significant public holidays or events. This is an excellent time to visit if you prefer a more tranquil beach experience.

Temperature in Koh Khai in September

The weather in September is slightly cooler than the previous month. The average maximum temperature in Koh Khai in September is 31°C (87°F). The average maximum temperature is 31°C (87°F) in the previous month and 31°C (87°F) in the next month.

The average temperature in Koh Khai in September is 28°C (82°F). The average temperature is 28°C (82°F) in the previous month and 28°C (82°F) in the next month.

The average minimum temperature in Koh Khai in September is 25°C (77°F). The minimum temperature is 25°C (77°F) in the previous month and 25°C (77°F) in the next month.

Sunshine in Koh Khai in September

The days in September are marginally shorter than the previous month and days continue to get marginally shorter into October. September has fewer hours of sunshine than the previous month and hours of sunshine continue to drop slightly into October. During September the average day light hours are 12.2 per day in Koh Khai. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

The ultraviolet index in Koh Khai in September is typically 14.4 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 Koh Khai in September

The average sea water temperature in Koh Khai in September is 29°C (84.2°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is slightly cooler than the previous month.

Rainfall in Koh Khai in September

September weather is wetter than the previous month and rainfall continues to rise slightly into October. September has a couple of more days of rain than the previous month and rainy days continue to rise into October. The average total rainfall in Koh Khai in September is 28.1cm (11.1inches) and on average there are 20.2 rainy days in September making it a very wet time to visit the beach.

Humidity in Koh Khai in September

The maximum dew point (an indicator of humidity) in Koh Khai in September is 26°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 26°C (79°F) in the previous month and 26°C (26°F) in the next month.

The average maximum relative humidity in Koh Khai in September is typically 94%. The maximum relative humidity is 93.4% in the previous month and 94.4% in the next month.

The average relative humidity in Koh Khai in September is typically 84%. The average relative humidity is 83.2% in the previous month and 83.9% in the next month.

Wind Speed in Koh Khai in September

The average maximum wind speed in Koh Khai in September is typically 14KM/H (9MPH). The average maximum wind speed is 15KM/H (9MPH) in the previous month and 14KM/H (9MPH) in the next month.

The average wind speed in Koh Khai in September is typically 6KM/H (4MPH). The average wind speed is 6KM/H (4MPH) in the previous month and 6KM/H (3MPH) in the next month.

The average wind direction in Koh Khai in September is from the North.

Monthly Averages

Suggested Beaches in September

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Need Inspiration?

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