Siem Reap weather in September (Siem Reap Province, Cambodia)

This month is known as a warm month. The average maximum daytime temperature in Siem Reap in September lies at 31.4°C (88.52°F). The average minimum temperature goes down to around 24.1°C (75.38°F) (often the minimum temperature is noted at night).

September is part of the rainy season with an average precipitation of 294mm (11.6 inches). This makes it the wettest month of the year. There are generally around 18 rainy days.

 

Siem Reap, monthly averages in September

Show in Fahrenheit

Min Temperature 24 °C  

Max Temperature 31 °C  

Chance of Rain 62%  

Precipitation 294mm  

Rainy days 19 days  

Humidity 75% *  

Where to stay in Siem Reap

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Where to go in Cambodia in September

Find out more about the weather in Cambodia in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in September? Visitors traveling to Siem Reap should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Siem Reap.

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 climate conditions. Find out where to go with our weather planner.