September Weather in Aldar, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Aldar, Mongolia hovers around 9°C (48°F). You can expect temperature fluctuations, with a minimum of -9°C (17°F) and a maximum of 27°C (81°F). This month, precipitation totals approximately 23 mm (0.9 in) spread over 6 days, while the average humidity remains a comfortable 59%.

September Temperature in Aldar

In September in Aldar, the average temperature is 9°C (48°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -9°C (17°F). It's advisable to pack layers to accommodate the wide temperature range during your travels.

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

The chart illustrates September temperature patterns in Aldar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aldar, September typically has an average temperature of 9°C (48°F), with highs reaching up to 27°C (81°F) and lows dropping to around -9°C (17°F).

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

September Precipitation in Aldar

In Aldar in September, the precipitation amount is 23 mm (0.9 in) spread over 6 days.

September Precipitation Trends in Aldar

The chart displays monthly precipitation patterns in Aldar, 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 Aldar, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 6 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 Aldar

In Aldar in September humidity is 59%. With an average temperature of 9°C (48°F), this humidity feels like a brisk, chilly embrace, making traveling invigorating yet slightly uncomfortable, as the dampness can seep into your clothes and make you feel cooler than expected.

September Average Humidity in Aldar

This chart illustrates the average monthly humidity levels in Aldar, 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 Aldar is approximately 59%, 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 Aldar

In Aldar 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 Aldar.

Maximum UV Index Levels in Aldar for September

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

Data source: Aldar 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 Aldar Compares to Other Months

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

This table compares monthly weather conditions in Aldar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-22°C (-8°F)	3 mm (0.1 inches)	98%	low
February Weather	-19°C (-1°F)	6 mm (0.2 inches)	94%	moderate
March Weather	-8°C (18°F)	9 mm (0.3 inches)	88%	moderate
April Weather	3°C (37°F)	17 mm (0.7 inches)	74%	high
May Weather	10°C (50°F)	17 mm (0.7 inches)	50%	very high
June Weather	15°C (60°F)	28 mm (1.1 inches)	48%	very high
July Weather	17°C (64°F)	60 mm (2.4 inches)	49%	very high
August Weather	15°C (59°F)	61 mm (2.4 inches)	54%	very high
September Weather	9°C (48°F)	23 mm (0.9 inches)	59%	high
October Weather	-1°C (30°F)	16 mm (0.6 inches)	67%	moderate
November Weather	-11°C (12°F)	8 mm (0.3 inches)	86%	moderate
December Weather	-20°C (-4°F)	5 mm (0.2 inches)	96%	low