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September Weather in Choyr, Mongolia

Last updated: August 28, 2025

In Choyr, Mongolia, the average temperature in September hovers around 13°C (56°F), creating a mild atmosphere for visitors. Temperatures can dip as low as -6°C (22°F) at night, while daytime highs may reach up to 30°C (87°F). With an average precipitation of 16 mm (0.6 in) spread over 4 days, you might want to pack an umbrella. The climate boasts an average humidity of 67%, adding a comfortable touch to the overall experience.

September Temperature in Choyr

In September in Choyr, the average temperature is 13°C (56°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as -6°C (22°F). This wide temperature range suggests that travelers should pack accordingly for varying weather conditions.

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

The chart illustrates September temperature patterns in Choyr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Choyr, September typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (87°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec-072742556771655536183
Data source: Temperature data for Choyr 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 Choyr

In Choyr in September, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.

September Precipitation Trends in Choyr

The chart displays monthly precipitation patterns in Choyr, 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 Choyr, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec133813184461161052
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Choyr

In Choyr in September humidity is 67%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit uncomfortable, but still manageable for travelers who embrace the cool, crisp air.

September Average Humidity in Choyr

This chart illustrates the average monthly humidity levels in Choyr, 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 Choyr is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%80%64%59%52%53%59%61%67%67%67%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Choyr

In Choyr 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 Choyr.

Maximum UV Index Levels in Choyr for September

The chart shows the monthly maximum UV Index (UVI) for Choyr 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 Choyr typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357910997532
Data source: Choyr 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 Choyr Compares to Other Months

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

This table compares monthly weather conditions in Choyr, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-18°C (0°F)1 mm (0.0 inches)90%low
February Weather-14°C (8°F)3 mm (0.1 inches)80%moderate
March Weather-3°C (27°F)3 mm (0.1 inches)64%moderate
April Weather6°C (43°F)8 mm (0.3 inches)59%high
May Weather13°C (56°F)13 mm (0.5 inches)52%very high
June Weather20°C (68°F)18 mm (0.7 inches)53%very high
July Weather22°C (72°F)44 mm (1.7 inches)59%very high
August Weather18°C (65°F)61 mm (2.4 inches)61%very high
September Weather13°C (56°F)16 mm (0.6 inches)67%high
October Weather2°C (37°F)10 mm (0.4 inches)67%moderate
November Weather-8°C (19°F)5 mm (0.2 inches)67%moderate
December Weather-16°C (3°F)2 mm (0.1 inches)88%low

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