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September Weather in Phnum Proek, Cambodia

Last updated: August 22, 2025

In Phnum Proek, Cambodia, the average temperature in September hovers around 27°C (81°F), with a comfortable minimum of 23°C (73°F) and a warm maximum of 34°C (93°F). However, be prepared for the rain—with an average precipitation of 254 mm (10.0 in) spread over 26 days, you might want to carry an umbrella. The average humidity is notably high at 87%, adding to the tropical feel of the environment.

September Temperature in Phnum Proek

In September in Phnum Proek, the average temperature is 27°C (81°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 23°C (73°F). This mild and warm climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Phnum Proek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phnum Proek, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec798184838383828281808078
Data source: Temperature data for Phnum Proek 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 Phnum Proek

In Phnum Proek in September, the total precipitation amount is 254 mm (10.0 in), occurring over the span of 26 days.

September Precipitation Trends in Phnum Proek

The chart displays monthly precipitation patterns in Phnum Proek, 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 Phnum Proek, September typically receives around 254 mm (10.0 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1616681071431441831912542154416
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Phnum Proek

In Phnum Proek in September, humidity is 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.

September Average Humidity in Phnum Proek

This chart illustrates the average monthly humidity levels in Phnum Proek, 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 Phnum Proek is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%61%70%80%85%86%88%87%83%78%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Phnum Proek

In Phnum Proek 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 Phnum Proek, you can check here.

Maximum UV Index Levels in Phnum Proek for September

The chart shows the monthly maximum UV Index (UVI) for Phnum Proek 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 Phnum Proek typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413141414131110
Data source: Phnum Proek 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 Phnum Proek Compares to Other Months

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

This table compares monthly weather conditions in Phnum Proek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)16 mm (0.6 inches)59%very high
February Weather27°C (81°F)16 mm (0.6 inches)58%extreme
March Weather29°C (84°F)68 mm (2.7 inches)61%extreme
April Weather29°C (84°F)107 mm (4.2 inches)70%extreme
May Weather29°C (84°F)143 mm (5.6 inches)80%extreme
June Weather28°C (83°F)144 mm (5.7 inches)85%extreme
July Weather28°C (82°F)183 mm (7.2 inches)86%extreme
August Weather28°C (82°F)191 mm (7.5 inches)88%extreme
September Weather27°C (81°F)254 mm (10.0 inches)87%extreme
October Weather27°C (81°F)215 mm (8.5 inches)83%extreme
November Weather26°C (80°F)44 mm (1.7 inches)78%extreme
December Weather26°C (78°F)16 mm (0.6 inches)70%very high

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