Phi Phi weather in September 2025

Expect daytime maximum temperatures of 30°C in Phi Phi in September and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 20 days with some rainfall and typically 373 mm of rainfall in the month.

  • 30°C maximum daytime temperature in September in Phi Phi30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 20 days with some rainfall in September in Phi Phi20
    20 days with some rainfall
  • 24°C minimum night-time temperature in September in Phi Phi24
    24°C min night temperature
  • 12 hours of daylight per day in September in Phi Phi12
    12 hours of daylight per day
  • Very high heat & humidity in September in Phi PhiVH
    Very High heat & humidity
  • 373 mm monthly rainfall in September in Phi Phi373
    373 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Phi Phi11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Phi Phi29
    29°C sea temperature

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The September weather guide for Thailand (Phi Phi) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Phi Phi in September?

Daytime temperatures usually reach 30°C in Phi Phi in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Phi Phi in September?

There are normally 5 hours of bright sunshine each day in Phi Phi in September - that's 44% of daylight hours.

How warm is the sea around Phi Phi in September?

The average sea temperature around Phi Phi in September is 29°C.

Does it rain in Phi Phi in September?

There are usually 20 days with some rain in Phi Phi in September and the average monthly rainfall is 373mm.

Phi Phi September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:17 18:33
Monday, 15th September 2025 06:15 18:25
Tuesday, 30th September 2025 06:13 18:17

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