September Weather in Bayasgalant, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Bayasgalant, Mongolia is a mild 12°C (54°F). However, be prepared for some temperature swings, as it can drop to a minimum of -7°C (20°F) or soar to a maximum of 30°C (87°F). During this month, expect about 31 mm (1.2 in) of precipitation over approximately 5 days, with an average humidity level of 68%.

September Temperature in Bayasgalant

In September in Bayasgalant, the average temperature is 12°C (54°F). Maximums can reach 30°C (87°F), and minimums can drop as low as -7°C (20°F). This means that travelers should be prepared for a wide range of temperatures, making layering clothing essential for comfort throughout the day.

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

The chart illustrates September temperature patterns in Bayasgalant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayasgalant, 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 -7°C (20°F).

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

September Precipitation in Bayasgalant

In Bayasgalant in September, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

September Precipitation Trends in Bayasgalant

The chart displays monthly precipitation patterns in Bayasgalant, 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 Bayasgalant, September typically receives around 31 mm (1.2 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 Bayasgalant

In Bayasgalant in September, humidity is 68%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that can make exploring the area a bit uncomfortable, often requiring warm layers to stay cozy while sightseeing.

September Average Humidity in Bayasgalant

This chart illustrates the average monthly humidity levels in Bayasgalant, 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 Bayasgalant is approximately 68%, 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 Bayasgalant

In Bayasgalant 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 Bayasgalant, you can refer to this Hourly UV Index in Bayasgalant.

Maximum UV Index Levels in Bayasgalant for September

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

Data source: Bayasgalant 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 Bayasgalant Compares to Other Months

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

This table compares monthly weather conditions in Bayasgalant, 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 (3°F)	3 mm (0.1 inches)	75%	moderate
March Weather	-4°C (24°F)	4 mm (0.2 inches)	55%	moderate
April Weather	4°C (40°F)	12 mm (0.5 inches)	54%	high
May Weather	12°C (53°F)	21 mm (0.8 inches)	52%	very high
June Weather	18°C (65°F)	44 mm (1.7 inches)	51%	very high
July Weather	20°C (69°F)	82 mm (3.2 inches)	64%	very high
August Weather	17°C (62°F)	73 mm (2.9 inches)	67%	very high
September Weather	12°C (54°F)	31 mm (1.2 inches)	68%	high
October Weather	2°C (36°F)	13 mm (0.5 inches)	65%	moderate
November Weather	-9°C (16°F)	10 mm (0.4 inches)	63%	low
December Weather	-18°C (1°F)	4 mm (0.1 inches)	80%	low