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September Weather in Bulgan, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Bulgan, Mongolia is a mild 11°C (51°F). However, be prepared for a range of temperatures, where the minimum can dip to -7°C (20°F), while the mercury can rise to a pleasant 25°C (77°F). Expect light precipitation, with an average of 11 mm (0.4 in) spread over about 3 days. The average humidity hovers around 46%, adding to the region's unique climate character.

September Temperature in Bulgan

In September in Bulgan, the average temperature is 11°C (51°F). The maximum can reach 25°C (77°F), while the minimum can drop as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Bulgan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bulgan, September typically has an average temperature of 11°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec3102539506165615133185
Data source: Temperature data for Bulgan 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 Bulgan

In Bulgan in September, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

September Precipitation Trends in Bulgan

The chart displays monthly precipitation patterns in Bulgan, 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 Bulgan, September typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2310111613413011431
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bulgan

In Bulgan in September, humidity is 46%. With an average temperature of 11°C (51°F), this humidity feels like a refreshing breeze, making it quite comfortable for traveling and exploring the area without feeling too warm or sticky.

September Average Humidity in Bulgan

This chart illustrates the average monthly humidity levels in Bulgan, 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 Bulgan is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%82%60%51%35%35%36%42%46%49%64%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bulgan

In Bulgan in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bulgan.

Maximum UV Index Levels in Bulgan for September

The chart shows the monthly maximum UV Index (UVI) for Bulgan 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 Bulgan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24610111111108532
Data source: Bulgan 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 Bulgan Compares to Other Months

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

This table compares monthly weather conditions in Bulgan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (3°F)2 mm (0.1 inches)89%low
February Weather-12°C (10°F)3 mm (0.1 inches)81%moderate
March Weather-4°C (25°F)10 mm (0.4 inches)60%high
April Weather4°C (39°F)11 mm (0.4 inches)51%very high
May Weather10°C (51°F)16 mm (0.6 inches)35%extreme
June Weather16°C (62°F)13 mm (0.5 inches)35%extreme
July Weather18°C (65°F)41 mm (1.6 inches)36%extreme
August Weather16°C (61°F)30 mm (1.2 inches)42%very high
September Weather11°C (51°F)11 mm (0.4 inches)46%very high
October Weather1°C (34°F)4 mm (0.2 inches)49%moderate
November Weather-8°C (18°F)3 mm (0.1 inches)64%moderate
December Weather-15°C (5°F)1 mm (0.0 inches)89%low

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