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Temperatures in September

It's hot in September in Khao Lak with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 32°C. At night, you can expect temperatures between 24°C and 26°C.

Max and Min Temperatures per Day

Daily Temperature in September in Khao Lak

This chart shows the daily maximum and minimum temperatures in degrees Celsius for Khao Lak in September. The red line indicates the max temperatures, and the blue line shows the minimums.

Start of September

The month of September starts in Khao Lak with hot temperatures, averaging around 31°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.

Mid-September

By mid-September, the average daytime temperature stays the same at 31°C, with nights close to 25°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.

End of September

By the end of September, the average daytime temperature in Khao Lak will be around 31°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.

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Water temperature

The water temperature at Khao Lak is 30°C this month. It’s really warm, perfect for a swim.

Precipitation in September

In September, there is an average of 505 mm of precipitation, spread over 24 days. The wind speed is around 4 Bft, mostly coming from the West.

With an average precipitation chance of 81% this month, rainy days are almost inevitable.

Precipitation Chance

Daily precipitation chance in percentages for Khao Lak in September

This chart shows the daily precipitation chance (in percentages) in September for Khao Lak. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.

Khao Lak in September

London
Temperature Average Temperature
31°C 20°C
Sun High Temp
32°C 22°C
Sun Low Temp
29°C 17°C
Rain Total Precipitation
505 mm 44 mm
Rain Rainy Days
24 days 8 days

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is September a good time to visit Khao Lak?

After some sun? Then September isn’t the best time to be in Khao Lak. The temperature is pleasant, but there’s too much chance of rain this month.

The typhoon season in Khao Lak runs from June to November.

Temperature records for Khao Lak in September

With 34°C, Khao Lak hit the highest temperature in the last 10 years in September 2018. The lowest daytime temperature in this month was 26°C in 2021. The extreme night temperatures ranged from a low of 22°C to a high of 28°C.

Check out the climate of Khao Lak for all months and discover the best travel time

Curious about the climate in other parts of Thailand? Check out the weather and climate in places like Bangkok, Chiang Mai, Phuket, or have a look at other destinations in Thailand.

Plan your next holiday

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Daily Temperature in September in Khao Lak

This chart shows the average daily temperatures, both day and night, for each day in September in Khao Lak, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in September in Khao Lak

Daily Precipitation in September in Khao Lak

The chart below shows the average daily precipitation in September for Khao Lak, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 24 days of rain in Khao Lak.

Daily Precipitation in September in Khao Lak

Daily UV Index in September in Khao Lak

This chart shows the average daily UV index in September in Khao Lak, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Khao Lak

Temperature in September in Khao Lak Over the Years

This chart shows the average temperature in September in Khao Lak, measured in degrees Celsius, over the past years.

Temperature in September in Khao Lak Over the Years

Total Precipitation in September in Khao Lak Over the Years

This chart shows the average precipitation in September in Khao Lak, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in September in Khao Lak Over the Years

Daily climate in September for Khao Lak

Click on a specific day in September for detailed info on the typical weather on that day in Khao Lak. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Khao Lak

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Average Weather in Khao Lak by Month

Click on a month below to see detailed weather info for Khao Lak. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Khao Lak for all months at once

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