September Weather in Ulaanshiveet, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Ulaanshiveet, Mongolia is a comfortable 12°C (54°F). However, be prepared for a range of temperatures, as it can dip as low as -6°C (22°F) and soar up to 31°C (89°F). Expect 39 mm (1.5 in) of precipitation spread over 6 days, contributing to an average humidity level of 65%. Stay prepared for a bit of everything!

September Temperature in Ulaanshiveet

In September in Ulaanshiveet, the average temperature is 12°C (54°F), with maximums reaching up to 31°C (89°F) and minimums dropping as low as -6°C (22°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and cool clothing for your trip.

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

The chart illustrates September temperature patterns in Ulaanshiveet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulaanshiveet, September typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (89°F) and lows dropping to around -6°C (22°F).

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

September Precipitation in Ulaanshiveet

In Ulaanshiveet in September, the precipitation amount is 39 mm (1.5 in), occurring over the course of 6 days.

September Precipitation Trends in Ulaanshiveet

The chart displays monthly precipitation patterns in Ulaanshiveet, 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 Ulaanshiveet, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 6 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 Ulaanshiveet

In Ulaanshiveet in September, humidity is 65%. With an average temperature of 12°C (54°F), this humidity feels like a cool, damp embrace that can make outdoor activities a bit uncomfortable, but offers a refreshing atmosphere for exploring cozy cafes and indoor attractions.

September Average Humidity in Ulaanshiveet

This chart illustrates the average monthly humidity levels in Ulaanshiveet, 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 Ulaanshiveet is approximately 65%, 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 Ulaanshiveet

In Ulaanshiveet 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 Ulaanshiveet.

Maximum UV Index Levels in Ulaanshiveet for September

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

Data source: Ulaanshiveet 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 Ulaanshiveet Compares to Other Months

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

This table compares monthly weather conditions in Ulaanshiveet, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (0°F)	3 mm (0.1 inches)	89%	low
February Weather	-14°C (7°F)	6 mm (0.2 inches)	78%	moderate
March Weather	-3°C (26°F)	7 mm (0.3 inches)	66%	moderate
April Weather	5°C (41°F)	16 mm (0.6 inches)	64%	high
May Weather	12°C (54°F)	22 mm (0.9 inches)	52%	very high
June Weather	18°C (65°F)	39 mm (1.6 inches)	59%	very high
July Weather	20°C (68°F)	49 mm (1.9 inches)	63%	very high
August Weather	17°C (63°F)	74 mm (2.9 inches)	62%	very high
September Weather	12°C (54°F)	39 mm (1.5 inches)	65%	high
October Weather	2°C (36°F)	16 mm (0.6 inches)	65%	moderate
November Weather	-7°C (19°F)	12 mm (0.5 inches)	69%	moderate
December Weather	-16°C (3°F)	5 mm (0.2 inches)	86%	low