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September Weather in Eg, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Eg, Mongolia hovers around 9°C (49°F), offering a cool atmosphere for visitors. However, temperatures can vary significantly, with minimums dipping to -6°C (21°F) and maximums reaching up to 27°C (81°F). Expect moderate rainfall, with 53 mm (2.1 in) of precipitation over approximately 9 days, contributing to an average humidity level of 82%.

September Temperature in Eg

In September in Eg, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures, making layering clothing essential for comfort during their visit.

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

The chart illustrates September temperature patterns in Eg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eg, September typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec-7-0203749606359483112-2
Data source: Temperature data for Eg 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 Eg

In Eg in September, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

September Precipitation Trends in Eg

The chart displays monthly precipitation patterns in Eg, 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 Eg, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec257193772138106532074
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Eg

In Eg in September, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

September Average Humidity in Eg

This chart illustrates the average monthly humidity levels in Eg, 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 Eg is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%86%72%67%69%67%79%79%82%79%81%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Eg

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

Maximum UV Index Levels in Eg for September

The chart shows the monthly maximum UV Index (UVI) for Eg 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 Eg typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986421
Data source: Eg 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 Eg Compares to Other Months

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

This table compares monthly weather conditions in Eg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-6°F)2 mm (0.1 inches)92%low
February Weather-18°C (0°F)5 mm (0.2 inches)86%moderate
March Weather-6°C (21°F)7 mm (0.3 inches)72%moderate
April Weather3°C (37°F)19 mm (0.7 inches)67%high
May Weather9°C (49°F)37 mm (1.4 inches)69%very high
June Weather16°C (60°F)71 mm (2.8 inches)67%very high
July Weather17°C (64°F)138 mm (5.4 inches)79%very high
August Weather15°C (59°F)106 mm (4.2 inches)79%very high
September Weather9°C (49°F)53 mm (2.1 inches)82%high
October Weather-1°C (31°F)20 mm (0.8 inches)79%moderate
November Weather-11°C (13°F)7 mm (0.3 inches)81%low
December Weather-19°C (-2°F)4 mm (0.1 inches)90%low

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