Weather in Thailand in September

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Visiting Thailand in September

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 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 44.2% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Thailand.

September has total rainfall of 41.6cm (16.4inches) making it rainy with frequent strong showers. There are 19.1 days with some rainfall so you can still enjoy the beach on the clear days.

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

Consider visiting Thailand 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 Thailand in September?

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

September has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 44.2% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. September has total rainfall of 41.6cm (16.4inches) making it rainy with frequent strong showers. There are 19.1 days with some rainfall so you can still enjoy the beach on the clear days.

More about September temperature and sunshine.

Can you swim in Thailand in September?

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

More about September sea temperatures.

Is September a good time to holiday in Thailand?

Yes, September is a good time for a holiday in Thailand.

September has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 44.2% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. September has total rainfall of 41.6cm (16.4inches) making it rainy with frequent strong showers. There are 19.1 days with some rainfall so you can still enjoy the beach on the clear days. It is not an optimal time for sunbathing but it is possible on clearer days in Thailand. Sea temperatures are a very warm 29°C (84°F). September is an excellent month for swimming in Thailand with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Thailand warm in September?

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

The average maximum temperature in Thailand in September is 31°C (88°F). The average maximum temperature is 31°C (89°) in the previous month and 31°C (87°F) in the next month.

The average temperature in Thailand in September is 28°C (83°F). The average temperature is 29°C (83°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 Thailand in September?

The average day light hours per day in Thailand in September are 12.2. The sunshine percentage is 44.2% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.

More about September sunshine.

Temperature in Thailand in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. The average maximum temperature in Thailand in September is 31°C (88°F). The average maximum temperature is 31°C (89°F) in the previous month and 31°C (87°F) in the next month.

The average temperature in Thailand in September is 28°C (83°F). The average temperature is 29°C (83°F) in the previous month and 28°C (82°F) in the next month.

The average minimum temperature in Thailand in September is 26°C (78°F). The minimum temperature is 26°C (78°F) in the previous month and 25°C (77°F) in the next month.

Sunshine in Thailand in September

The days in September are marginally shorter than the previous month and days continue to get marginally shorter into October. September has slightly less hours of sunshine than the previous month. During September the average day light hours are 12.2 per day in Thailand. The sunshine percentage is 44.2% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.

The ultraviolet index in Thailand in September is typically 14 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 Thailand in September

The average sea water temperature in Thailand 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 Thailand in September

September weather is wetter than the previous month and rainfall continues to rise into October. September has a few more days of rain than the previous month and rainy days continue to rise slightly into October. The average total rainfall in Thailand in September is 41.6cm (16.4inches) and on average there are 19.1 rainy days in September making it a wet time to visit the beach.

Humidity in Thailand in September

The maximum dew point (an indicator of humidity) in Thailand in September is 25°C (77°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 25°C (77°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in Thailand in September is typically 90.4%. The maximum relative humidity is 88.7% in the previous month and 92.2% in the next month.

The average relative humidity in Thailand in September is typically 77.6%. The average relative humidity is 75.9% in the previous month and 79.8% in the next month.

Wind Speed in Thailand in September

The average maximum wind speed in Thailand in September is typically 22KM/H (14MPH). The average maximum wind speed is 23KM/H (14MPH) in the previous month and 20KM/H (12MPH) in the next month.

The average wind speed in Thailand in September is typically 10KM/H (6MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 8KM/H (5MPH) in the next month.

The average wind direction in Thailand in September is from the West-Southwest.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.