September Weather in Koun Mom, Cambodia

Last updated: August 22, 2025

In Koun Mom, Cambodia, the average temperature in September is a warm 27°C (81°F). Residents and visitors can expect minimums around 23°C (73°F) and maximums soaring to 35°C (94°F). The month brings significant rainfall, with a total precipitation of 338 mm (13.3 in) spread over 28 days. It's worth noting that the average humidity hovers around a steamy 91%, creating a vibrant, lush atmosphere.

September Temperature in Koun Mom

In September in Koun Mom, 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 Koun Mom while enjoying warm and comfortable weather.

September Weather in Koun Mom: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Koun Mom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koun Mom, 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).

Data source: Temperature data for Koun Mom generated using information from the Copernicus Climate Change Service.

September Precipitation in Koun Mom

In Koun Mom in September, the total precipitation amount is 338 mm (13.3 in) spread over 28 days.

September Precipitation Trends in Koun Mom

The chart displays monthly precipitation patterns in Koun Mom, 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 Koun Mom, September typically receives around 338 mm (13.3 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Koun Mom

In Koun Mom 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 Koun Mom

This chart illustrates the average monthly humidity levels in Koun Mom, 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 Koun Mom is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Koun Mom

In Koun Mom 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 Koun Mom, you can check here.

Maximum UV Index Levels in Koun Mom for September

The chart shows the monthly maximum UV Index (UVI) for Koun Mom 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 Koun Mom typically reaches 14, which falls under the extreme exposure category.

Data source: Koun Mom 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 Koun Mom Compares to Other Months

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

This table compares monthly weather conditions in Koun Mom, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	5 mm (0.2 inches)	63%	very high
February Weather	29°C (84°F)	3 mm (0.1 inches)	55%	extreme
March Weather	30°C (86°F)	56 mm (2.2 inches)	48%	extreme
April Weather	30°C (86°F)	112 mm (4.4 inches)	48%	extreme
May Weather	29°C (84°F)	266 mm (10.5 inches)	74%	extreme
June Weather	28°C (83°F)	270 mm (10.6 inches)	88%	extreme
July Weather	27°C (81°F)	380 mm (15.0 inches)	90%	extreme
August Weather	27°C (81°F)	341 mm (13.4 inches)	92%	extreme
September Weather	27°C (81°F)	338 mm (13.3 inches)	91%	extreme
October Weather	27°C (81°F)	268 mm (10.6 inches)	87%	extreme
November Weather	27°C (81°F)	100 mm (3.9 inches)	84%	extreme
December Weather	27°C (81°F)	19 mm (0.8 inches)	76%	very high