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September Weather in Sumber, Mongolia

Last updated: August 28, 2025

In Sumber, Mongolia, the average temperature in September hovers around 13°C (56°F). However, be prepared for a range of temperatures, with a minimum of -3°C (28°F) and a maximum reaching up to 32°C (90°F). Expect some rain as well, with an average precipitation of 59 mm (2.3 in) over 9 days. Your comfort level might be affected by a high average humidity of 84%.

September Temperature in Sumber

In September in Sumber, the average temperature is 13°C (56°F). The maximum can reach 32°C (90°F), while the minimum can drop as low as -3°C (28°F). This climate variety offers travelers a unique experience, so be sure to pack accordingly for both warm and chilly moments.

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

The chart illustrates September temperature patterns in Sumber, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumber, September typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (90°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec-7-1214155667266553716-2
Data source: Temperature data for Sumber 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 Sumber

In Sumber in September, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

September Precipitation Trends in Sumber

The chart displays monthly precipitation patterns in Sumber, 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 Sumber, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec487123954103112592096
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sumber

In Sumber in September, humidity is 84%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel cooler and more uncomfortable for traveling, as the air clings to your skin and weighs you down with a sense of heaviness.

September Average Humidity in Sumber

This chart illustrates the average monthly humidity levels in Sumber, 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 Sumber is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%79%60%67%75%83%85%84%78%72%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sumber

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

Maximum UV Index Levels in Sumber for September

The chart shows the monthly maximum UV Index (UVI) for Sumber 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 Sumber typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689996422
Data source: Sumber 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 Sumber Compares to Other Months

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

This table compares monthly weather conditions in Sumber, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-22°C (-7°F)4 mm (0.1 inches)95%low
February Weather-18°C (-1°F)8 mm (0.3 inches)93%moderate
March Weather-6°C (22°F)7 mm (0.3 inches)79%moderate
April Weather5°C (41°F)12 mm (0.5 inches)60%high
May Weather13°C (55°F)39 mm (1.5 inches)67%very high
June Weather19°C (67°F)54 mm (2.1 inches)75%very high
July Weather22°C (73°F)103 mm (4.0 inches)83%very high
August Weather19°C (66°F)112 mm (4.4 inches)85%very high
September Weather13°C (56°F)59 mm (2.3 inches)84%high
October Weather3°C (38°F)20 mm (0.8 inches)78%moderate
November Weather-9°C (17°F)9 mm (0.4 inches)72%low
December Weather-19°C (-2°F)6 mm (0.2 inches)89%low

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