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September Weather in Oldziyt, Mongolia

Last updated: August 28, 2025

In Oldziyt, Mongolia, the average temperature for September hovers around 9°C (49°F). Expect minimums dipping to -10°C (14°F) and highs reaching a pleasant 29°C (85°F). With a precipitation level of approximately 39 mm (1.5 in) spread over 8 days, the air is quite humid, averaging 78%. Planning your visit? Be prepared for a mix of weather!

September Temperature in Oldziyt

In September in Oldziyt, the average temperature is 9°C (49°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as -10°C (14°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates September temperature patterns in Oldziyt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oldziyt, September typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (85°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec-262438506063584831163
Data source: Temperature data for Oldziyt 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 Oldziyt

In Oldziyt in September, the precipitation amount is 39 mm (1.5 in) over the course of 8 days.

September Precipitation Trends in Oldziyt

The chart displays monthly precipitation patterns in Oldziyt, 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 Oldziyt, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3710233357116119392293
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oldziyt

In Oldziyt in September, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

September Average Humidity in Oldziyt

This chart illustrates the average monthly humidity levels in Oldziyt, 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 Oldziyt is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%74%72%74%68%73%79%77%78%76%78%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oldziyt

In Oldziyt 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 Oldziyt.

Maximum UV Index Levels in Oldziyt for September

The chart shows the monthly maximum UV Index (UVI) for Oldziyt 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 Oldziyt typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799997521
Data source: Oldziyt 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 Oldziyt Compares to Other Months

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

This table compares monthly weather conditions in Oldziyt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)3 mm (0.1 inches)85%low
February Weather-15°C (6°F)7 mm (0.3 inches)74%moderate
March Weather-5°C (24°F)10 mm (0.4 inches)72%moderate
April Weather3°C (38°F)23 mm (0.9 inches)74%high
May Weather10°C (50°F)33 mm (1.3 inches)68%very high
June Weather16°C (60°F)57 mm (2.2 inches)73%very high
July Weather17°C (63°F)116 mm (4.6 inches)79%very high
August Weather14°C (58°F)119 mm (4.7 inches)77%very high
September Weather9°C (49°F)39 mm (1.5 inches)78%high
October Weather0°C (32°F)22 mm (0.9 inches)76%moderate
November Weather-9°C (16°F)9 mm (0.4 inches)78%low
December Weather-16°C (3°F)3 mm (0.1 inches)86%low

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