Chŏng Chéach Weather in September
During September, Chŏng Chéach experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 25°C (77°F). As the wettest month of the year, expect frequent rainfall.
Rainfall in Chŏng Chéach in September
As part of the rainy season, Chŏng Chéach sees around 19 days of rain in September, with an average of 320 mm (13 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Chŏng Chéach in September
If you're visiting Chŏng Chéach in September, expect highs of 32°C (90°F) and overnight lows around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. The temperatures are the mildest of the year this month, but warmth is still abundant and comfortable.
Sunshine in Chŏng Chéach in September
The city usually sees around 182 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).September in Chŏng Chéach can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Chŏng Chéach's climate page.
Chŏng Chéach Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
64%
Precipitation
320 mm (13 in)
Rainy days
19 days
Humidity
84% *
Sunshine
182 hours *
Percentage Sunshine
*
Historical weather for Chŏng Chéach in September
Browse day-by-day weather records for Chŏng Chéach spanning 34 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chŏng Chéach historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Chŏng Chéach.
- The warmest day in September was on September 7, 2015, with a maximum of 37°C (99°F).
- On September 22, 2025, Chŏng Chéach saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Nighttime temperatures dropped to 23°C (73°F) on September 23, 2025, marking the coldest September night on record.
- Peak precipitation in September occurred on September 18, 2019, when 121 mm (4.8 in) of precipitation was measured.
Best Places in Cambodia in September
Find out more about the weather in Cambodia and which places have the best travel conditions in this month. See all of Cambodia in September →
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What to Wear in Chŏng Chéach in September
Warm but pleasant conditions in Chŏng Chéach in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Chŏng Chéach in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Chŏng Chéach's climate page.
Temperature Rainfall Sunshine Humidity
See the full Chŏng Chéach climate overview or explore weather in Cambodia.
