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September Weather in Haliun, Mongolia

Last updated: August 28, 2025

The average temperature in Haliun, Mongolia during September hovers around 11°C (53°F), but don’t let that fool you—temperatures can fluctuate wildly, ranging from a chilly -7°C (20°F) to a warm 29°C (84°F). Expect a modest precipitation of about 14 mm (0.5 in) over 3 days, accompanied by an average humidity level of 45%. Stay prepared for all that the month has to offer!

September Temperature in Haliun

In September in Haliun, the average temperature is 11°C (53°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -7°C (20°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates September temperature patterns in Haliun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haliun, September typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec3122842546467635236216
Data source: Temperature data for Haliun 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 Haliun

In Haliun in September, the precipitation amount is 14 mm (0.5 in) over the course of 3 days.

September Precipitation Trends in Haliun

The chart displays monthly precipitation patterns in Haliun, 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 Haliun, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec367141215224314653
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haliun

In Haliun in September humidity is 45%. With an average temperature of 11°C (53°F), this humidity feels like a refreshing chill in the air, perfect for exploring the outdoors without the discomfort of excessive heat, making it an ideal time for sightseeing and enjoying local attractions.

September Average Humidity in Haliun

This chart illustrates the average monthly humidity levels in Haliun, 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 Haliun is approximately 45%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%61%54%34%33%35%39%45%52%68%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haliun

In Haliun 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 Haliun.

Maximum UV Index Levels in Haliun for September

The chart shows the monthly maximum UV Index (UVI) for Haliun 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 Haliun typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2379111010107532
Data source: Haliun 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 Haliun Compares to Other Months

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

This table compares monthly weather conditions in Haliun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (3°F)3 mm (0.1 inches)91%low
February Weather-11°C (12°F)6 mm (0.2 inches)85%moderate
March Weather-2°C (28°F)7 mm (0.3 inches)61%high
April Weather6°C (42°F)14 mm (0.5 inches)53%very high
May Weather12°C (54°F)12 mm (0.5 inches)34%extreme
June Weather18°C (64°F)15 mm (0.6 inches)33%very high
July Weather20°C (68°F)22 mm (0.9 inches)35%very high
August Weather17°C (63°F)43 mm (1.7 inches)39%very high
September Weather11°C (53°F)14 mm (0.5 inches)45%high
October Weather2°C (36°F)6 mm (0.3 inches)52%moderate
November Weather-6°C (21°F)5 mm (0.2 inches)68%moderate
December Weather-15°C (6°F)3 mm (0.1 inches)90%low

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