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September Weather in Orhontuul, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Orhontuul, Mongolia hovers around 13°C (55°F). Be prepared for a temperature range between a chilly -4°C (25°F) and a warm 32°C (90°F). Expect 41 mm (1.6 in) of precipitation scattered over 6 days and an average humidity level of 79%.

September Temperature in Orhontuul

In September in Orhontuul, the average temperature is 13°C (55°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -4°C (25°F). This temperature range suggests that travelers should prepare for both warm days and possibly chilly nights.

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

The chart illustrates September temperature patterns in Orhontuul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orhontuul, September typically has an average temperature of 13°C (55°F), with highs reaching up to 32°C (90°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec-342643556871665537192
Data source: Temperature data for Orhontuul 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 Orhontuul

In Orhontuul in September, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Orhontuul

The chart displays monthly precipitation patterns in Orhontuul, 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 Orhontuul, September typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec34815253864764118104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Orhontuul

In Orhontuul in September humidity is 79%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that permeates clothing, making outdoor activities slightly uncomfortable and prompting travelers to seek shelter or dress in layers to stay warm while adjusting to the moist air.

September Average Humidity in Orhontuul

This chart illustrates the average monthly humidity levels in Orhontuul, 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 Orhontuul is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%78%66%70%65%73%78%79%80%78%78%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Orhontuul

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

Maximum UV Index Levels in Orhontuul for September

The chart shows the monthly maximum UV Index (UVI) for Orhontuul 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 Orhontuul typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Orhontuul 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 Orhontuul Compares to Other Months

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

This table compares monthly weather conditions in Orhontuul, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-3°F)3 mm (0.1 inches)90%low
February Weather-16°C (4°F)4 mm (0.2 inches)77%moderate
March Weather-3°C (26°F)8 mm (0.3 inches)66%moderate
April Weather6°C (43°F)15 mm (0.6 inches)70%high
May Weather13°C (56°F)25 mm (1.0 inches)65%very high
June Weather20°C (68°F)37 mm (1.5 inches)73%very high
July Weather22°C (71°F)63 mm (2.5 inches)78%very high
August Weather19°C (66°F)76 mm (3.0 inches)79%very high
September Weather13°C (55°F)41 mm (1.6 inches)79%high
October Weather3°C (37°F)17 mm (0.7 inches)78%moderate
November Weather-7°C (19°F)10 mm (0.4 inches)78%low
December Weather-16°C (3°F)4 mm (0.1 inches)89%low

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