Phnom Penh weather in September (Phnom Penh Municipality, Cambodia)
Wondering what the weather is like in Phnom Penh during September? Wondering about the weather this month? Our guide has all the details you need.
Temperatures
In September, the weather in Phnom Penh generally includes very high temperatures and heavy rainfall. The daytime often sees temperatures reaching 33°C, but nighttime brings a cool-down to 25°C. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.
Precipitation
Phnom Penh in September falls under the rainy season with heavy rainfall, averaging around 252 mm for the month. This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. Looking at the last 30 years, the data shows about 19 days with rain.Average sunshine
The area enjoys a balanced 129 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Phnom Penh. December typically offers the most agreeable circumstances. On the other hand, March, April, May, June, September and October tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Phnom Penh climate page with graphs.
Phnom Penh, monthly averages in September
Min Temperature
25°C
Max Temperature
33°C
Chance of Rain
64%
Precipitation
252 mm
Rainy days
19 days
Humidity
84%
Windspeed
7 km/h
Sunshine
129 hours
Percentage Sunshine
Where to go in Cambodia in September
Find out more about the weather in Cambodia and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Phnom Penh.
Our site offers climate and forecast data for every country in the world. Are you going to Cambodia? On this website you can find historical weather averages for many cities in Cambodia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
