September Weather in Sumiyn Bulag, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Sumiyn Bulag, Mongolia hovers around 12°C (55°F). Expect a range of -4°C (26°F) to a surprising 31°C (87°F), showcasing the area's varied climate. You'll experience about 43 mm (1.7 in) of precipitation over 6 days, with an average humidity of 81% that adds a touch of moisture to the air.

September Temperature in Sumiyn Bulag

In September in Sumiyn Bulag, the average temperature is 12°C (55°F). Maximums can reach 31°C (87°F) and minimums can be as low as -4°C (26°F). Travelers should be prepared for a wide range of temperatures during this time.

September Weather in Sumiyn Bulag: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sumiyn Bulag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumiyn Bulag, September typically has an average temperature of 12°C (55°F), with highs reaching up to 31°C (87°F) and lows dropping to around -4°C (26°F).

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

September Precipitation in Sumiyn Bulag

In Sumiyn Bulag in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Sumiyn Bulag

The chart displays monthly precipitation patterns in Sumiyn Bulag, 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 Sumiyn Bulag, September typically receives around 43 mm (1.7 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 Sumiyn Bulag

In Sumiyn Bulag in September humidity is 81%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel heavier and encouraging frequent breaks to hydrate and cool off while traveling.

September Average Humidity in Sumiyn Bulag

This chart illustrates the average monthly humidity levels in Sumiyn Bulag, 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 Sumiyn Bulag is approximately 81%, 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 Sumiyn Bulag

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

Maximum UV Index Levels in Sumiyn Bulag for September

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

Data source: Sumiyn Bulag 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 Sumiyn Bulag Compares to Other Months

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

This table compares monthly weather conditions in Sumiyn Bulag, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-2°F)	2 mm (0.1 inches)	91%	low
February Weather	-16°C (4°F)	7 mm (0.3 inches)	82%	low
March Weather	-5°C (22°F)	9 mm (0.4 inches)	66%	moderate
April Weather	5°C (40°F)	12 mm (0.5 inches)	60%	high
May Weather	12°C (55°F)	34 mm (1.3 inches)	66%	very high
June Weather	19°C (66°F)	47 mm (1.8 inches)	64%	very high
July Weather	21°C (70°F)	104 mm (4.1 inches)	75%	very high
August Weather	18°C (64°F)	97 mm (3.8 inches)	77%	very high
September Weather	12°C (55°F)	43 mm (1.7 inches)	81%	high
October Weather	2°C (36°F)	23 mm (0.9 inches)	76%	moderate
November Weather	-8°C (17°F)	5 mm (0.2 inches)	74%	low
December Weather	-17°C (2°F)	3 mm (0.1 inches)	84%	low