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September Weather in Ulaangom, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Ulaangom, Mongolia is a comfortable 12°C (54°F). Expect some fluctuations, as temperatures can dip to a brisk -6°C (22°F) or rise to a warm 30°C (86°F). During this month, precipitation averages 30 mm (1.2 in) across approximately 7 days, and the average humidity hovers around 70%, creating a refreshing atmosphere.

September Temperature in Ulaangom

In September in Ulaangom, the average temperature is 12°C (54°F), with maximums reaching up to 30°C (86°F) and minimums dropping to as low as -6°C (22°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates September temperature patterns in Ulaangom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulaangom, September typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (86°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec-63214357676965543717-1
Data source: Temperature data for Ulaangom generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ulaangom

In Ulaangom in September, the total precipitation amount is 30 mm (1.2 in) over a span of 7 days.

September Precipitation Trends in Ulaangom

The chart displays monthly precipitation patterns in Ulaangom, 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 Ulaangom, September typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec481217192985473015103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ulaangom

In Ulaangom in September humidity is 70%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making it essential for travelers to wear layers while exploring the area, as the dampness can seep through clothing, leaving one feeling cooler than the actual temperature suggests.

September Average Humidity in Ulaangom

This chart illustrates the average monthly humidity levels in Ulaangom, 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 Ulaangom is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%88%80%71%57%56%64%68%70%79%87%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ulaangom

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

Maximum UV Index Levels in Ulaangom for September

The chart shows the monthly maximum UV Index (UVI) for Ulaangom 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 Ulaangom typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236799886421
Data source: Ulaangom 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 Ulaangom Compares to Other Months

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

This table compares monthly weather conditions in Ulaangom, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-5°F)4 mm (0.2 inches)94%low
February Weather-16°C (3°F)8 mm (0.3 inches)88%moderate
March Weather-6°C (21°F)12 mm (0.5 inches)80%high
April Weather6°C (43°F)17 mm (0.7 inches)71%high
May Weather14°C (57°F)19 mm (0.7 inches)57%very high
June Weather19°C (67°F)29 mm (1.2 inches)56%very high
July Weather21°C (69°F)85 mm (3.4 inches)64%very high
August Weather18°C (65°F)47 mm (1.8 inches)68%very high
September Weather12°C (54°F)30 mm (1.2 inches)70%high
October Weather3°C (37°F)14 mm (0.6 inches)79%moderate
November Weather-8°C (18°F)10 mm (0.4 inches)86%low
December Weather-18°C (-1°F)3 mm (0.1 inches)95%low

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