Pattaya weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Pattaya in September. Check more long-term weather averages for Pattaya in September before you book your next holiday to Thailand in 2025/2026.

  • 88°F maximum daytime temperature in September in Pattaya88
    88°F max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in September in Pattaya17
    17 days with some rainfall
  • 77°F minimum night-time temperature in September in Pattaya77
    77°F min night temperature
  • 12 hours of daylight per day in September in Pattaya12
    12 hours of daylight per day
  • Very high heat & humidity in September in PattayaVH
    Very High heat & humidity
  • 10.2 inches monthly rainfall in September in Pattaya10.2
    10.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Pattaya11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Pattaya84
    84°F sea temperature

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The September weather guide for Thailand (Pattaya) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Thailand

How hot is it in Pattaya in September?

Daytime temperatures usually reach 88°F in Pattaya in September with very high heat and humidity, falling to 77°F at night.

How sunny is it in Pattaya in September?

There are normally 5 hours of bright sunshine each day in Pattaya in September - that's 39% of daylight hours.

How warm is the sea around Pattaya in September?

The average sea temperature around Pattaya in September is 84°F.

Does it rain in Pattaya in September?

There are usually 17 days with some rain in Pattaya in September and the average monthly rainfall is 10.2 inches.

Pattaya September sunrise & sunset times

Browse the sunrise and sunset times for Pattaya in September 2025. Select a month to view Pattaya sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:05 18:27
Monday, 15th September 2025 06:05 18:18
Tuesday, 30th September 2025 06:06 18:07

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