Thailand temperatures in September

In Thailand in September the average maximum daytime temperatures are very high and range from 32°C (89°F) in Ao Phang Nga Marine national park to 34°C (92°F) in Kanchanaburi. Nighttime temperatures generally drop to 25°C (76°F) in Kanchanaburi and 25°C (76°F) in Ao Phang Nga Marine national park.

What is the temperature of the different cities in Thailand in September

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

Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Pleasant: 18ºC (64ºF) to 22ºC (72ºF) Moderate: 12ºC (54ºF) to 18ºC (64ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold: lower than 2ºC (36ºF)

  • What is the warmest city in September in Thailand?
  • Kanchanaburi tops the warmest city list in our database with average maximum daytime temperatures around 34°C (92°F) and a minimum nighttime temperature of around 25°C (76°F).

  • What is the coldest city in September in Thailand?
  • The coldest city in September in Thailand is Ao Phang Nga Marine national park when we check our database. The maximum daytime temperatures are around 32°C (89°F) and minimum nighttime temperatures fall around 25°C (76°F).

  • How much sun does Thailand get in September?
  • September is generally a moderate sunny month with an average of 155 hours of sunshine in Bangkok during the whole month.

  • How warm is the water in September?
  • The water temperature averages approximately 29°C (84°F) in Ko Samui this month, an ideal temperature for swimming.

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