Kompong Som weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Kompong Som in September. Check more long-term weather averages for Kompong Som in September before you book your next holiday to Cambodia in 2025/2026.

  • 31°C maximum daytime temperature in September in Kompong Som31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in September in Kompong Som21
    21 days with some rainfall
  • 24°C minimum night-time temperature in September in Kompong Som24
    24°C min night temperature
  • 12 hours of daylight per day in September in Kompong Som12
    12 hours of daylight per day
  • High heat & humidity in September in Kompong SomH
    High heat & humidity
  • 364 mm monthly rainfall in September in Kompong Som364
    364 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Kompong Som11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Kompong Som29
    29°C sea temperature

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The September weather guide for Cambodia (Kompong Som) 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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More about Cambodia

How hot is it in Kompong Som in September?

Daytime temperatures usually reach 31°C in Kompong Som in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Kompong Som in September?

There are normally 5 hours of bright sunshine each day in Kompong Som in September - that's 43% of daylight hours.

How warm is the sea around Kompong Som in September?

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

Does it rain in Kompong Som in September?

There are usually 21 days with some rain in Kompong Som in September and the average monthly rainfall is 364mm.

Kompong Som September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:56 18:15
Monday, 15th September 2025 05:56 18:07
Tuesday, 30th September 2025 05:55 17:57

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