September Weather in Haylaastay, Mongolia

Last updated: August 28, 2025

In Haylaastay, Mongolia, the average temperature in September hovers around 13°C (56°F). Expect a varied range, where the minimum can dip to -5°C (24°F) and the maximum peaks at 31°C (88°F). Rainfall is modest, with an average precipitation of 26 mm (1.0 in) over 5 days. The atmosphere feels quite humid, with an average humidity level of 71%.

September Temperature in Haylaastay

In September in Haylaastay, the average temperature is 13°C (56°F). Maximums can reach 31°C (88°F), and minimums can be as low as -5°C (24°F). This varied climate makes Haylaastay an exciting destination for travelers seeking both warmth and the chance to experience some cooler weather.

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

The chart illustrates September temperature patterns in Haylaastay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haylaastay, September typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around -5°C (24°F).

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

September Precipitation in Haylaastay

In Haylaastay in September, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

September Precipitation Trends in Haylaastay

The chart displays monthly precipitation patterns in Haylaastay, 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 Haylaastay, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 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 Haylaastay

In Haylaastay in September humidity is 71%. With an average temperature of 13°C (56°F), this humidity feels like a damp embrace that can make exploring the area feel a bit stifling and requires light, breathable clothing to remain comfortable while traveling.

September Average Humidity in Haylaastay

This chart illustrates the average monthly humidity levels in Haylaastay, 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 Haylaastay is approximately 71%, 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 Haylaastay

In Haylaastay 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 Haylaastay.

Maximum UV Index Levels in Haylaastay for September

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

Data source: Haylaastay 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 Haylaastay Compares to Other Months

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

This table compares monthly weather conditions in Haylaastay, 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 (-4°F)	2 mm (0.1 inches)	91%	low
February Weather	-16°C (4°F)	4 mm (0.2 inches)	82%	moderate
March Weather	-4°C (25°F)	4 mm (0.2 inches)	54%	moderate
April Weather	5°C (41°F)	11 mm (0.4 inches)	53%	high
May Weather	12°C (55°F)	22 mm (0.9 inches)	56%	very high
June Weather	19°C (66°F)	29 mm (1.1 inches)	54%	very high
July Weather	22°C (71°F)	74 mm (2.9 inches)	65%	very high
August Weather	18°C (65°F)	76 mm (3.0 inches)	71%	very high
September Weather	13°C (56°F)	26 mm (1.0 inches)	71%	high
October Weather	3°C (38°F)	13 mm (0.5 inches)	68%	moderate
November Weather	-8°C (17°F)	10 mm (0.4 inches)	65%	low
December Weather	-17°C (1°F)	5 mm (0.2 inches)	81%	low