Phnom Penh weather in September 2020

  • 31°C maximum daytime temperature in September in Phnom Penh31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in September in Phnom Penh19
    19 days with some rainfall
  • 24°C minimum night-time temperature in September in Phnom Penh24
    24°C min night temperature
  • 12 hours of daylight per day in September in Phnom Penh12
    12 hours of daylight per day
  • Very high heat & humidity in September in Phnom PenhVH
    Very High heat & humidity
  • 245 mm monthly rainfall in September in Phnom Penh245
    245 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Phnom Penh11
    11+ (Extreme) UV index
  • Top deals & discounts
  • Phnom Penh weather overview
  • Phnom Penh climate averages by month
  • More destinations
  • Best time to go to Phnom Penh
  • Phnom Penh 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The September weather guide for Phnom Penh, Cambodia 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.

  • Save EXTRA £25 per booking on holidays to Cambodia
  • Discount available on all products - no minimum spend
  • Enter promo code at checkout. Excludes children
Show discount codeShow discount code ******T25

Expires at 23:59 on Saturday 29th Feb 2020 · View all Mercury Holidays offers

Mercury HolidaysHoliday deal finder

How hot is it in Phnom Penh in September?

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

How sunny is it in Phnom Penh in September?

There are normally 5 hours of bright sunshine each day in Phnom Penh in September - that's 41% of daylight hours.

Does it rain in Phnom Penh in September?

There are usually 19 days with some rain in Phnom Penh in September and the average monthly rainfall is 245mm.

Phnom Penh sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Phnom Penh in September 2020. Select a month to view Phnom Penh sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2020 05:50 18:10
Tuesday, 15th September 2020 05:50 18:01
Wednesday, 30th September 2020 05:49 17:51
  • Save EXTRA £25 per booking on holidays to Cambodia
  • Discount available on all products - no minimum spend
  • Enter promo code at checkout. Excludes children
Show discount codeShow discount code ******T25

Expires at 23:59 on Saturday 29th Feb 2020 · View all Mercury Holidays offers

Mercury HolidaysHoliday deal finder

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Cambodia

Where's hot in Cambodia in September?

Below are average maximum temperatures at popular destinations in Cambodia in September. Select a destination to see more weather parameters.

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.