September Weather in Bayantohom, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Bayantohom, Mongolia is a mild 12°C (54°F), though it can swing from a chilly -6°C (22°F) to a warm 30°C (87°F). Expect about 29 mm (1.2 in) of precipitation spread over 6 days, and enjoy a comfortable average humidity of 65%. Whether you're strolling through the streets or exploring the outdoors, the weather offers a unique experience.

September Temperature in Bayantohom

In September in Bayantohom, the average temperature is 12°C (54°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as -6°C (22°F). It's a time to prepare for a wide range of temperatures, so pack accordingly for your trip!

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

The chart illustrates September temperature patterns in Bayantohom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayantohom, September typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (87°F) and lows dropping to around -6°C (22°F).

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

September Precipitation in Bayantohom

In Bayantohom in September, the total precipitation amount is 29 mm (1.2 in) over the course of 6 days.

September Precipitation Trends in Bayantohom

The chart displays monthly precipitation patterns in Bayantohom, 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 Bayantohom, September typically receives around 29 mm (1.2 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 Bayantohom

In Bayantohom 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 Bayantohom

This chart illustrates the average monthly humidity levels in Bayantohom, 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 Bayantohom 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 Bayantohom

In Bayantohom 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 Bayantohom.

Maximum UV Index Levels in Bayantohom for September

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

Data source: Bayantohom 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 Bayantohom Compares to Other Months

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

This table compares monthly weather conditions in Bayantohom, 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 (1°F)	2 mm (0.1 inches)	89%	low
February Weather	-14°C (7°F)	4 mm (0.2 inches)	78%	moderate
March Weather	-3°C (27°F)	4 mm (0.2 inches)	66%	moderate
April Weather	5°C (41°F)	15 mm (0.6 inches)	64%	high
May Weather	12°C (54°F)	14 mm (0.6 inches)	52%	very high
June Weather	18°C (66°F)	25 mm (1.0 inches)	59%	very high
July Weather	21°C (70°F)	42 mm (1.7 inches)	63%	very high
August Weather	18°C (64°F)	68 mm (2.7 inches)	62%	very high
September Weather	12°C (54°F)	29 mm (1.2 inches)	65%	high
October Weather	2°C (36°F)	12 mm (0.5 inches)	65%	moderate
November Weather	-7°C (19°F)	8 mm (0.3 inches)	69%	moderate
December Weather	-16°C (4°F)	2 mm (0.1 inches)	86%	low