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September Rainfall Precipitation in Thailand

In Thailand in September precipitation ranges from high in Songkhla with 135 mm of rainfall to heavy in Ko Mak with 574 mm of rainfall. It is the wettest month of the year.

Where and how much does it rain in Thailand in September?

Find the average total precipitation in September for the most popular destinations in Thailand on the map below. Click on a destination dot for more detailed information.

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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Thailand, check out our Thailand's climate page.

  • How much rainfall does Thailand receive in September?
  • In September, Thailand experiences its rainy season. Sun lovers might want to consider a different time for their trip. In Bangkok, the month of September typically brings a significant amount of rain, with averages close to 333 mm. As a result, you can expect quick-changing weather patterns and numerous showers. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Bangkok.

  • What is the wettest city in September in Thailand?
  • According to our data the wettest location is Ko Mak with an average precipitation of 574 mm.

  • What is the driest city in September in Thailand?
  • Our figures indicate that Songkhla receives the least rainfall, averaging just 135 mm.

    Interested in more climate information?

    Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.