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Phnom Penh weather in September (Phnom Penh Municipality, Cambodia)

Curious about the September weather in Phnom Penh? This guide provides all the details you need.

Temperatures

In September, Phnom Penh typically experiences very high temperatures and heavy rainfall. Anticipate daytime temperatures around 33°C, while night temperatures can drop to 25°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

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. Delving into the climate records from the past 30 years, one can predict that nearly 19 days of the month will see rainfall.

Average sunshine

The city usually sees around 129 hours of sunlight, indicating a moderately sunny period.

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 TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 33°C  
Chance of RainChance of Rain 64%  
PrecipitationPrecipitation 252 mm  
Rainy daysRainy days 19 days  
HumidityHumidity 84%  
WindspeedWindspeed 7 km/h  
SunshineSunshine 129 hours  
Percentage SunshinePercentage 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.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

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.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

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.