September Weather in Altanteel, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Altanteel, Mongolia hovers around 9°C (48°F). Temperatures can vary significantly, with a minimum of -10°C (14°F) and a maximum of 25°C (78°F). Expect about 22 mm (0.9 in) of precipitation over the course of 4 days, accompanied by an average humidity level of 54%. Enjoy the mix of crisp and mild day!

September Temperature in Altanteel

In September in Altanteel, the average temperature is 9°C (48°F), with maximums reaching up to 25°C (78°F) and minimums dropping as low as -10°C (14°F). Be sure to pack layers to accommodate the wide range of temperatures you'll experience during your travels.

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

The chart illustrates September temperature patterns in Altanteel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altanteel, September typically has an average temperature of 9°C (48°F), with highs reaching up to 25°C (78°F) and lows dropping to around -10°C (14°F).

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

September Precipitation in Altanteel

In Altanteel in September, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

September Precipitation Trends in Altanteel

The chart displays monthly precipitation patterns in Altanteel, 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 Altanteel, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Altanteel

In Altanteel in September, humidity is 54%. With an average temperature of 9°C (48°F), this humidity feels like a brisk, refreshing embrace, making outdoor exploration invigorating yet requiring a light jacket for comfort during your travels.

September Average Humidity in Altanteel

This chart illustrates the average monthly humidity levels in Altanteel, 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 Altanteel is approximately 54%, 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 Altanteel

In Altanteel 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 Altanteel.

Maximum UV Index Levels in Altanteel for September

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

Data source: Altanteel 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 Altanteel Compares to Other Months

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

This table compares monthly weather conditions in Altanteel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-21°C (-6°F)	3 mm (0.1 inches)	97%	low
February Weather	-17°C (2°F)	4 mm (0.1 inches)	94%	moderate
March Weather	-6°C (21°F)	10 mm (0.4 inches)	87%	high
April Weather	3°C (38°F)	14 mm (0.5 inches)	67%	high
May Weather	9°C (48°F)	32 mm (1.3 inches)	45%	very high
June Weather	15°C (59°F)	50 mm (2.0 inches)	42%	very high
July Weather	17°C (62°F)	57 mm (2.3 inches)	46%	very high
August Weather	15°C (58°F)	66 mm (2.6 inches)	52%	very high
September Weather	9°C (48°F)	22 mm (0.9 inches)	54%	high
October Weather	0°C (32°F)	6 mm (0.2 inches)	63%	moderate
November Weather	-9°C (16°F)	4 mm (0.2 inches)	81%	low
December Weather	-18°C (-1°F)	3 mm (0.1 inches)	95%	low