- Explore latest sale offers on holidays in 2024/2025
- Filter deals by continent, star rating & holiday type
- Including Dubai, Caribbean, North America, Asia & Pacific
Phnom Penh weather in September 2025
Expect 88°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Phnom Penh in September. Check more long-term weather averages for Phnom Penh in September before you book your next holiday to Cambodia in 2025/2026.
- 8888°F max day temperature
- 5 hours of sunshine per day
- 1919 days with some rainfall
- 7575°F min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 9.69.6 inches of monthly rainfall
- 1111+ (Extreme) UV index
More about Phnom Penh
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Phnom Penh by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Cambodia
The September weather guide for Cambodia (Phnom Penh) 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)
More about Cambodia
How hot is it in Phnom Penh in September?
Daytime temperatures usually reach 88°F in Phnom Penh in September with very high heat and humidity, falling to 75°F 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 9.6 inches.
Phnom Penh September sunrise & sunset times
Browse the sunrise and sunset times for Phnom Penh in September 2025. Select a month to view Phnom Penh sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:50 | 18:10 |
Monday, 15th September 2025 | 05:50 | 18:01 |
Tuesday, 30th September 2025 | 05:49 | 17:51 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport