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September Weather in Aek Phnum, Cambodia

Last updated: August 22, 2025

In September, the average temperature in Aek Phnum, Cambodia hovers around 28°C (83°F), offering warm and inviting weather. Expect temperatures to range from a minimum of 23°C (74°F) to a maximum of 36°C (98°F). However, be prepared for some rain, as the area experiences an average precipitation of 265 mm (10.4 in) spread over 27 days. With an average humidity of 90%, it's a season perfect for summer adventures, albeit with some tropical moisture in the air!

September Temperature in Aek Phnum

In September in Aek Phnum, the average temperature is 28°C (83°F). The maximum can reach 36°C (98°F), while the minimum can drop to as low as 23°C (74°F). This warm climate makes Aek Phnum an ideal destination for sun-seekers and outdoor adventures during September.

September Weather in Aek Phnum: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Aek Phnum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aek Phnum, September typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (98°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec818387868685848483828180
Data source: Temperature data for Aek Phnum generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Aek Phnum

In Aek Phnum in September, the total precipitation amount is 265 mm (10.4 in), recorded over 27 days.

September Precipitation Trends in Aek Phnum

The chart displays monthly precipitation patterns in Aek Phnum, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Aek Phnum, September typically receives around 265 mm (10.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec1110661121551401761802652337022
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aek Phnum

In Aek Phnum in September humidity is 90%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel strenuous and uncomfortable as sweat clings to your skin, and the air feels thick and heavy with moisture.

September Average Humidity in Aek Phnum

This chart illustrates the average monthly humidity levels in Aek Phnum, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Aek Phnum is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%50%47%55%78%86%88%90%90%85%79%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aek Phnum

In Aek Phnum in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Aek Phnum, you can check here.

Maximum UV Index Levels in Aek Phnum for September

The chart shows the monthly maximum UV Index (UVI) for Aek Phnum in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Aek Phnum typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413141414131110
Data source: Aek Phnum September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Aek Phnum Compares to Other Months

Weather in Aek Phnum varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aek Phnum, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Aek Phnum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)11 mm (0.4 inches)55%very high
February Weather28°C (83°F)10 mm (0.4 inches)50%extreme
March Weather30°C (87°F)66 mm (2.6 inches)47%extreme
April Weather30°C (86°F)112 mm (4.4 inches)55%extreme
May Weather30°C (86°F)155 mm (6.1 inches)78%extreme
June Weather30°C (85°F)140 mm (5.5 inches)86%extreme
July Weather29°C (85°F)176 mm (6.9 inches)88%extreme
August Weather29°C (85°F)180 mm (7.1 inches)90%extreme
September Weather28°C (83°F)265 mm (10.4 inches)90%extreme
October Weather28°C (82°F)233 mm (9.2 inches)85%extreme
November Weather27°C (82°F)70 mm (2.7 inches)79%extreme
December Weather27°C (80°F)22 mm (0.9 inches)68%very high

Compare Aek Phnum's Climate with Cities Worldwide