September Weather in Bayan-Ovoo, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Bayan-Ovoo, Mongolia hovers around 16°C (61°F), with a notable range from a chilly -1°C (30°F) to a balmy 32°C (91°F). Expect minimal precipitation of just 2 mm (0.1 in) over 0 days, and enjoy a comfortable average humidity of 41%. Perfect weather for outdoor adventures!

September Temperature in Bayan-Ovoo

In September in Bayan-Ovoo, the average temperature is 16°C (61°F). Maximums can reach 32°C (91°F), while minimums can drop as low as -1°C (30°F). This variation in temperature makes it essential for travelers to pack accordingly to enjoy their visit comfortably.

September Weather in Bayan-Ovoo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bayan-Ovoo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayan-Ovoo, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec122036506170757161432714
Data source: Temperature data for Bayan-Ovoo 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 Bayan-Ovoo

In Bayan-Ovoo in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Bayan-Ovoo

The chart displays monthly precipitation patterns in Bayan-Ovoo, 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 Bayan-Ovoo, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec24239713213221
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bayan-Ovoo

In Bayan-Ovoo in September humidity is 41%. With average temperature 16°C (61°F), this humidity feels like a crisp and refreshing embrace, making it ideal for exploring the sights and indulging in outdoor activities without the discomfort of excessive heat.

September Average Humidity in Bayan-Ovoo

This chart illustrates the average monthly humidity levels in Bayan-Ovoo, 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 Bayan-Ovoo is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%71%52%45%32%30%32%35%41%52%63%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bayan-Ovoo

In Bayan-Ovoo 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 Bayan-Ovoo.

Maximum UV Index Levels in Bayan-Ovoo for September

The chart shows the monthly maximum UV Index (UVI) for Bayan-Ovoo 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 Bayan-Ovoo typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2368101010107532
Data source: Bayan-Ovoo 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 Bayan-Ovoo Compares to Other Months

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

This table compares monthly weather conditions in Bayan-Ovoo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)2 mm (0.1 inches)82%low
February Weather-7°C (20°F)3 mm (0.1 inches)71%moderate
March Weather2°C (36°F)2 mm (0.1 inches)52%high
April Weather10°C (50°F)3 mm (0.1 inches)45%very high
May Weather16°C (61°F)9 mm (0.3 inches)32%very high
June Weather21°C (71°F)7 mm (0.3 inches)30%very high
July Weather24°C (75°F)13 mm (0.5 inches)32%very high
August Weather22°C (71°F)21 mm (0.8 inches)35%very high
September Weather16°C (61°F)2 mm (0.1 inches)41%high
October Weather6°C (43°F)2 mm (0.1 inches)52%moderate
November Weather-3°C (28°F)2 mm (0.1 inches)63%moderate
December Weather-10°C (15°F)1 mm (0.0 inches)80%low

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