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September Weather in Svay Rieng, Cambodia

Last updated: August 22, 2025

In September, the average temperature in Svay Rieng, Cambodia reaches a warm 28°C (83°F). Expect comfortable evenings with a minimum of 24°C (75°F), while the days can sizzle, peaking at 35°C (96°F). Be prepared for 260 mm (10.2 in) of precipitation over 26 days, contributing to a rather high average humidity of 89%.

September Temperature in Svay Rieng

In September in Svay Rieng, the average temperature is 28°C (83°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (75°F). This mild and warm climate makes Svay Rieng an ideal destination for travelers seeking pleasant weather.

September Weather in Svay Rieng: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Svay Rieng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Svay Rieng, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec828285868584838382828281
Data source: Temperature data for Svay Rieng 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 Svay Rieng

In Svay Rieng in September, the precipitation amount is 260 mm (10.2 in) spread over 26 days.

September Precipitation Trends in Svay Rieng

The chart displays monthly precipitation patterns in Svay Rieng, 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 Svay Rieng, September typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec32132610817720723525326026716753
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Svay Rieng

In Svay Rieng in September, humidity is 89%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel sticky and strenuous, and requiring constant hydration to stay comfortable while exploring.

September Average Humidity in Svay Rieng

This chart illustrates the average monthly humidity levels in Svay Rieng, 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 Svay Rieng is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%58%61%80%87%89%90%89%87%87%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Svay Rieng

In Svay Rieng 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 Svay Rieng, you can check here.

Maximum UV Index Levels in Svay Rieng for September

The chart shows the monthly maximum UV Index (UVI) for Svay Rieng 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 Svay Rieng typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101415151413141414131110
Data source: Svay Rieng 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 Svay Rieng Compares to Other Months

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

This table compares monthly weather conditions in Svay Rieng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)32 mm (1.3 inches)65%very high
February Weather28°C (82°F)13 mm (0.5 inches)61%extreme
March Weather29°C (85°F)26 mm (1.0 inches)58%extreme
April Weather30°C (86°F)108 mm (4.2 inches)60%extreme
May Weather29°C (85°F)177 mm (7.0 inches)80%extreme
June Weather29°C (84°F)207 mm (8.2 inches)87%extreme
July Weather28°C (83°F)235 mm (9.3 inches)89%extreme
August Weather28°C (83°F)253 mm (9.9 inches)90%extreme
September Weather28°C (83°F)260 mm (10.2 inches)89%extreme
October Weather28°C (82°F)267 mm (10.5 inches)87%extreme
November Weather28°C (82°F)167 mm (6.6 inches)87%extreme
December Weather27°C (82°F)53 mm (2.1 inches)80%very high

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