September Weather in Har-Us, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Har-Us, Mongolia hovers around 10°C (49°F). Expect a range from a chilling -8°C (18°F) to a warm 26°C (80°F). You'll likely encounter about 25 mm (1.0 in) of precipitation spread over 5 days, accompanied by an average humidity level of 70%. Enjoy the varied climate!

September Temperature in Har-Us

In September in Har-Us, the average temperature is 10°C (49°F), with maximums reaching 26°C (80°F) and minimums dipping as low as -8°C (18°F). This variability makes it essential for travelers to pack for both warm and cold conditions.

September Weather in Har-Us: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Har-Us, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Har-Us, September typically has an average temperature of 10°C (49°F), with highs reaching up to 26°C (80°F) and lows dropping to around -8°C (18°F).

Data source: Temperature data for Har-Us generated using information from the Copernicus Climate Change Service.

September Precipitation in Har-Us

In Har-Us in September, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

September Precipitation Trends in Har-Us

The chart displays monthly precipitation patterns in Har-Us, 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 Har-Us, September typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Har-Us

In Har-Us in September, humidity is 70%. With an average temperature of 10°C (49°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more strenuous and travel a bit uncomfortable.

September Average Humidity in Har-Us

This chart illustrates the average monthly humidity levels in Har-Us, 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 Har-Us is approximately 70%, 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 Har-Us

In Har-Us in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Har-Us.

Maximum UV Index Levels in Har-Us for September

The chart shows the monthly maximum UV Index (UVI) for Har-Us 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 Har-Us typically reaches 7, which falls under the high exposure category.

Data source: Har-Us 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 Har-Us Compares to Other Months

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

This table compares monthly weather conditions in Har-Us, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-22°C (-8°F)	2 mm (0.1 inches)	94%	low
February Weather	-18°C (0°F)	2 mm (0.1 inches)	88%	moderate
March Weather	-7°C (20°F)	11 mm (0.4 inches)	80%	high
April Weather	3°C (38°F)	12 mm (0.5 inches)	71%	very high
May Weather	11°C (52°F)	24 mm (0.9 inches)	57%	very high
June Weather	16°C (62°F)	30 mm (1.2 inches)	56%	very high
July Weather	18°C (64°F)	74 mm (2.9 inches)	64%	very high
August Weather	15°C (60°F)	53 mm (2.1 inches)	68%	very high
September Weather	10°C (49°F)	25 mm (1.0 inches)	70%	high
October Weather	1°C (33°F)	7 mm (0.3 inches)	79%	moderate
November Weather	-11°C (13°F)	5 mm (0.2 inches)	86%	low
December Weather	-21°C (-6°F)	2 mm (0.1 inches)	95%	low