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Weather in September in Phnom Penh Municipality

Thinking about venturing to Phnom Penh Municipality this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Phnom Penh Municipality in September?

Phnom Penh Municipality is a region in Cambodia. September in Phnom Penh Municipality generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 33°C and nighttime temperatures around 25°C in Phnom Penh. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Phumĭ Chrey Kaông with an average of 250 mm to heavy rainfall in Stœ̆ng Méan Chey with 256 mm. Based on climate data from the last 30 years, Phnom Penh receives the most rainfall during this month of the year.

Average sunshine

Phnom Penh enjoys a balanced 129 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

For specific regional insights in Phnom Penh Municipality for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Phnom Penh Municipality climate page.

Where to go in Phnom Penh Municipality in September

Find more information for the most popular destinations in the Phnom Penh Municipality on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in September for the 4 most popular destinations in Phnom Penh Municipality?

Phnom Penh

In September Phnom Penh generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Phnom Penh
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
34°C 
26°C 
175 hours 
172 mm 
17 days 
33°C 
25°C 
129 hours 
252 mm 
19 days 
poor 
October   >> October
>>  
33°C 
25°C 
205 hours 
247 mm 
17 days 
poor 
Climate in Phnom Penh

Phumĭ Bayab

In September Phumĭ Bayab generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Phumĭ Bayab
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
34°C 
26°C 
175 hours 
175 mm 
17 days 
33°C 
25°C 
129 hours 
256 mm 
19 days 
poor 
October   >> October
>>  
33°C 
25°C 
205 hours 
245 mm 
17 days 
poor 
Climate in Phumĭ Bayab

Phumĭ Chrey Kaông

In September Phumĭ Chrey Kaông generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Phumĭ Chrey Kaông
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
34°C 
26°C 
175 hours 
170 mm 
17 days 
33°C 
25°C 
129 hours 
250 mm 
19 days 
poor 
October   >> October
>>  
33°C 
25°C 
205 hours 
248 mm 
17 days 
poor 
Climate in Phumĭ Chrey Kaông

Stœ̆ng Méan Chey

In September Stœ̆ng Méan Chey generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.

Stœ̆ng Méan Chey
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
34°C 
26°C 
175 hours 
176 mm 
17 days 
33°C 
25°C 
129 hours 
256 mm 
19 days 
poor 
October   >> October
>>  
33°C 
25°C 
205 hours 
248 mm 
17 days 
poor 
Climate in Stœ̆ng Méan Chey

Is your destination not in the list? Have a look at other destinations in Phnom Penh Municipality, in Cambodia.

Is September the best time to visit Phnom Penh Municipality?

Given the typically poor weather conditions in Phnom Penh, September may not be the ideal time to visit Phnom Penh Municipality.

Generally speaking, December provides perfect weather in Phnom Penh. On the other hand, the months of March, April, May, June, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Phnom Penh Municipality. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Cambodia? Get detailed 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.