September Weather in Ou Chum, Cambodia

Last updated: August 22, 2025

In September, the average temperature in Ou Chum, Cambodia is a warm 27°C (81°F), with minimums dipping to 23°C (73°F) and soaring to a maximum of 35°C (94°F). Expect significant rainfall, with 336 mm (13.2 in) of precipitation over 28 days, accompanied by high humidity averaging 91%. Stay hydrated and enjoy the tropical vibes!

September Temperature in Ou Chum

In September in Ou Chum, the average temperature is 27°C (81°F). Maximums can reach 35°C (94°F) and minimums can be as low as 23°C (73°F). This makes it an ideal time to explore Ou Chum while enjoying warm and comfortable weather.

September Weather in Ou Chum: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ou Chum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ou Chum, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (94°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec818386868482818181818180
Data source: Temperature data for Ou Chum 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 Ou Chum

In Ou Chum in September, the total precipitation amount is 336 mm (13.2 in) spread over the course of 28 days.

September Precipitation Trends in Ou Chum

The chart displays monthly precipitation patterns in Ou Chum, 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 Ou Chum, September typically receives around 336 mm (13.2 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec5253932682954223603362719021
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ou Chum

In Ou Chum in September, humidity is 91%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick haze wrapping around you, making travel feel sluggish and the air heavy, damp with the scent of earth and greenery, which can be both enchanting and exhausting.

September Average Humidity in Ou Chum

This chart illustrates the average monthly humidity levels in Ou Chum, 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 Ou Chum is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%55%48%48%74%88%90%92%91%87%84%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ou Chum

In Ou Chum 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 Ou Chum, you can check here.

Maximum UV Index Levels in Ou Chum for September

The chart shows the monthly maximum UV Index (UVI) for Ou Chum 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 Ou Chum typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315151513141414131110
Data source: Ou Chum 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 Ou Chum Compares to Other Months

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

This table compares monthly weather conditions in Ou Chum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)5 mm (0.2 inches)63%very high
February Weather28°C (83°F)2 mm (0.1 inches)55%extreme
March Weather30°C (86°F)53 mm (2.1 inches)48%extreme
April Weather30°C (86°F)93 mm (3.7 inches)48%extreme
May Weather29°C (84°F)268 mm (10.5 inches)74%extreme
June Weather28°C (82°F)295 mm (11.6 inches)88%extreme
July Weather27°C (81°F)422 mm (16.6 inches)90%extreme
August Weather27°C (81°F)360 mm (14.2 inches)92%extreme
September Weather27°C (81°F)336 mm (13.2 inches)91%extreme
October Weather27°C (81°F)270 mm (10.6 inches)87%extreme
November Weather27°C (81°F)90 mm (3.6 inches)84%extreme
December Weather26°C (80°F)21 mm (0.8 inches)76%very high

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