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September Weather in Ulaanjirem, Mongolia

Last updated: August 28, 2025

In Ulaanjirem, Mongolia, the average temperature in September hovers around 15°C (60°F), providing a comfortable climate. However, be prepared for a range of temperatures, as it can dip to a brisk -4°C (25°F) or soar to a warm 31°C (88°F). Expect a modest precipitation amount of 8 mm (0.3 in) over approximately 2 days, with average humidity at a pleasant 47%.

September Temperature in Ulaanjirem

In September in Ulaanjirem, the average temperature is 15°C (60°F). The maximum can reach 31°C (88°F) and the minimum can be as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures during this time, ensuring they pack accordingly for both warm and cool weather.

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

The chart illustrates September temperature patterns in Ulaanjirem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulaanjirem, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec3123146597074685940225
Data source: Temperature data for Ulaanjirem 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 Ulaanjirem

In Ulaanjirem in September, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

September Precipitation Trends in Ulaanjirem

The chart displays monthly precipitation patterns in Ulaanjirem, 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 Ulaanjirem, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec135661236378322
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ulaanjirem

In Ulaanjirem in September, humidity is 47%. With an average temperature of 15°C (60°F), this humidity feels like a comfortable embrace, making travel enjoyable and pleasant as you explore the sights without feeling overly sticky or weighed down.

September Average Humidity in Ulaanjirem

This chart illustrates the average monthly humidity levels in Ulaanjirem, 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 Ulaanjirem is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%67%45%46%37%41%41%45%47%51%56%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ulaanjirem

In Ulaanjirem 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 Ulaanjirem.

Maximum UV Index Levels in Ulaanjirem for September

The chart shows the monthly maximum UV Index (UVI) for Ulaanjirem 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 Ulaanjirem typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2358101010107532
Data source: Ulaanjirem 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 Ulaanjirem Compares to Other Months

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

This table compares monthly weather conditions in Ulaanjirem, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (4°F)1 mm (0.1 inches)80%low
February Weather-11°C (12°F)3 mm (0.1 inches)67%moderate
March Weather0°C (31°F)5 mm (0.2 inches)45%moderate
April Weather8°C (47°F)6 mm (0.2 inches)46%very high
May Weather15°C (59°F)6 mm (0.3 inches)36%very high
June Weather21°C (71°F)12 mm (0.5 inches)41%very high
July Weather24°C (75°F)36 mm (1.4 inches)40%very high
August Weather20°C (68°F)37 mm (1.4 inches)45%very high
September Weather15°C (60°F)8 mm (0.3 inches)47%high
October Weather4°C (40°F)2 mm (0.1 inches)51%moderate
November Weather-6°C (22°F)2 mm (0.1 inches)56%moderate
December Weather-15°C (6°F)1 mm (0.1 inches)79%low

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