September Weather in Selenge, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Selenge, Mongolia is a cool 10°C (50°F), with temperatures ranging from a frigid -5°C (24°F) to a warm 28°C (82°F). Expect 50 mm (2.0 in) of precipitation over about 7 days, accompanied by an average humidity of 78%. Prepare accordingly for a varied climate!

September Temperature in Selenge

In September in Selenge, the average temperature is 10°C (50°F). Maximums can reach 28°C (82°F), while minimums can dip as low as -5°C (24°F). Be prepared for a range of weather conditions, making it essential to pack layers for your travels.

September Weather in Selenge: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Selenge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Selenge, September typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (24°F).

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

September Precipitation in Selenge

In Selenge in September, the precipitation amount is 50 mm (2.0 in) over a span of 7 days.

September Precipitation Trends in Selenge

The chart displays monthly precipitation patterns in Selenge, 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 Selenge, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 7 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 Selenge

In Selenge in September humidity is 78%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that can seep into your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm as you explore the area.

September Average Humidity in Selenge

This chart illustrates the average monthly humidity levels in Selenge, 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 Selenge is approximately 78%, 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 Selenge

In Selenge in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Selenge, you can refer to this Hourly UV Index in Selenge.

Maximum UV Index Levels in Selenge for September

The chart shows the monthly maximum UV Index (UVI) for Selenge 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 Selenge typically reaches 6, which falls under the high exposure category.

Data source: Selenge 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 Selenge Compares to Other Months

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

This table compares monthly weather conditions in Selenge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-20°C (-3°F)	2 mm (0.1 inches)	85%	low
February Weather	-16°C (4°F)	5 mm (0.2 inches)	74%	moderate
March Weather	-5°C (24°F)	11 mm (0.4 inches)	72%	moderate
April Weather	4°C (40°F)	24 mm (0.9 inches)	74%	high
May Weather	11°C (52°F)	41 mm (1.6 inches)	68%	very high
June Weather	16°C (62°F)	73 mm (2.9 inches)	73%	very high
July Weather	18°C (64°F)	97 mm (3.8 inches)	79%	very high
August Weather	15°C (60°F)	129 mm (5.1 inches)	77%	very high
September Weather	10°C (50°F)	50 mm (2.0 inches)	78%	high
October Weather	0°C (33°F)	28 mm (1.1 inches)	76%	moderate
November Weather	-9°C (16°F)	9 mm (0.4 inches)	78%	low
December Weather	-17°C (3°F)	2 mm (0.1 inches)	86%	low