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September Weather in Tsul-Ulaan, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Tsul-Ulaan, Mongolia hovers around 13°C (55°F). Expect a wide range of temperatures, with a minimum of -6°C (22°F) and a maximum reaching up to 34°C (93°F). During this month, you'll encounter an average precipitation of 36 mm (1.4 in) across 6 days, accompanied by a comfortable average humidity level of 65%.

September Temperature in Tsul-Ulaan

In September in Tsul-Ulaan, the average temperature is 13°C (55°F). Maximum temperatures can reach up to 34°C (93°F), while the minimum can drop as low as -6°C (22°F). Be sure to prepare for a wide range of temperatures during your trip!

September Weather in Tsul-Ulaan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tsul-Ulaan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsul-Ulaan, September typically has an average temperature of 13°C (55°F), with highs reaching up to 34°C (93°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec-162743566770655537193
Data source: Temperature data for Tsul-Ulaan 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 Tsul-Ulaan

In Tsul-Ulaan in September, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

September Precipitation Trends in Tsul-Ulaan

The chart displays monthly precipitation patterns in Tsul-Ulaan, 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 Tsul-Ulaan, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2551717474772361593
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tsul-Ulaan

In Tsul-Ulaan in September, humidity is 65%. With an average temperature of 13°C (55°F), this humidity feels like a cool, damp embrace, making it essential for travelers to dress in layers and be prepared for occasional drizzles, while still enjoying the freshness of the air.

September Average Humidity in Tsul-Ulaan

This chart illustrates the average monthly humidity levels in Tsul-Ulaan, 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 Tsul-Ulaan is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%78%66%64%52%59%63%62%65%65%69%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tsul-Ulaan

In Tsul-Ulaan 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 Tsul-Ulaan.

Maximum UV Index Levels in Tsul-Ulaan for September

The chart shows the monthly maximum UV Index (UVI) for Tsul-Ulaan 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 Tsul-Ulaan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799997422
Data source: Tsul-Ulaan 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 Tsul-Ulaan Compares to Other Months

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

This table compares monthly weather conditions in Tsul-Ulaan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-1°F)2 mm (0.1 inches)89%low
February Weather-15°C (6°F)5 mm (0.2 inches)78%moderate
March Weather-3°C (27°F)5 mm (0.2 inches)66%moderate
April Weather6°C (43°F)16 mm (0.6 inches)64%high
May Weather13°C (56°F)17 mm (0.7 inches)52%very high
June Weather19°C (67°F)47 mm (1.8 inches)59%very high
July Weather21°C (71°F)47 mm (1.9 inches)63%very high
August Weather18°C (65°F)72 mm (2.8 inches)62%very high
September Weather13°C (55°F)36 mm (1.4 inches)65%high
October Weather3°C (37°F)15 mm (0.6 inches)65%moderate
November Weather-7°C (20°F)9 mm (0.3 inches)69%low
December Weather-16°C (3°F)3 mm (0.1 inches)86%low

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