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September Weather in Tahilt, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Tahilt, Mongolia hovers around 10°C (50°F). While you might enjoy pleasant days, be prepared for a minimum drop to -8°C (18°F) and the occasional peak at 25°C (77°F). Expect about 12 mm (0.5 in) of precipitation spread over 3 days, contributing to an average humidity level of 45%.

September Temperature in Tahilt

In September in Tahilt, the average temperature is 10°C (50°F). Maximum temperatures can reach 25°C (77°F), while minimums can dip as low as -8°C (18°F). This diverse temperature range makes it essential for travelers to pack both warm and light clothing when visiting Tahilt during this month.

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

The chart illustrates September temperature patterns in Tahilt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tahilt, September typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec4102539506064605033196
Data source: Temperature data for Tahilt 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 Tahilt

In Tahilt in September, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

September Precipitation Trends in Tahilt

The chart displays monthly precipitation patterns in Tahilt, 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 Tahilt, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec346142024374012542
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tahilt

In Tahilt in September, humidity is 45%. With an average temperature of 10°C (50°F), this humidity feels like a refreshing, crisp breeze that invigorates the senses, making it a pleasant time for traveling as long as you're prepared for the cooler temperatures.

September Average Humidity in Tahilt

This chart illustrates the average monthly humidity levels in Tahilt, 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 Tahilt is approximately 45%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%61%54%34%33%35%39%45%52%68%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tahilt

In Tahilt 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 Tahilt.

Maximum UV Index Levels in Tahilt for September

The chart shows the monthly maximum UV Index (UVI) for Tahilt 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 Tahilt typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2369111111107532
Data source: Tahilt 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 Tahilt Compares to Other Months

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

This table compares monthly weather conditions in Tahilt, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (4°F)2 mm (0.1 inches)91%low
February Weather-12°C (10°F)4 mm (0.2 inches)85%moderate
March Weather-4°C (25°F)6 mm (0.2 inches)61%high
April Weather4°C (39°F)14 mm (0.6 inches)53%very high
May Weather10°C (50°F)19 mm (0.8 inches)34%extreme
June Weather16°C (60°F)24 mm (0.9 inches)33%extreme
July Weather18°C (64°F)37 mm (1.5 inches)35%extreme
August Weather16°C (61°F)40 mm (1.6 inches)39%very high
September Weather10°C (50°F)12 mm (0.5 inches)45%high
October Weather1°C (33°F)5 mm (0.2 inches)52%moderate
November Weather-7°C (19°F)4 mm (0.1 inches)68%moderate
December Weather-15°C (6°F)1 mm (0.1 inches)90%low

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