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September Weather in Biluu, Mongolia

Last updated: August 28, 2025

In September, the average temperature in Biluu, Mongolia hovers around 7°C (44°F), with a minimum dipping to -15°C (6°F) and a maximum peaking at 22°C (72°F). Expect approximately 14 mm (0.5 in) of precipitation over about 4 days, accompanied by an average humidity of 70%. Stay prepared for a mix of cold and mild days during this time!

September Temperature in Biluu

In September in Biluu, the average temperature is 7°C (44°F), with maximums reaching up to 22°C (72°F) and minimums plummeting as low as -15°C (6°F). This range of temperatures suggests that travelers should prepare for both mild and potentially chilly weather conditions during their visit.

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

The chart illustrates September temperature patterns in Biluu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biluu, September typically has an average temperature of 7°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec-11-116354756595544277-9
Data source: Temperature data for Biluu 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 Biluu

In Biluu in September, the precipitation amount is 14 mm (0.5 in) over a span of 4 days.

September Precipitation Trends in Biluu

The chart displays monthly precipitation patterns in Biluu, 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 Biluu, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec239102331594714773
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Biluu

In Biluu in September humidity is 70%. With an average temperature of 7°C (44°F), this humidity feels like a chilly dampness that seeps into your bones, making outdoor activities less enjoyable and encouraging travelers to seek shelter indoors or dress in layers for warmth.

September Average Humidity in Biluu

This chart illustrates the average monthly humidity levels in Biluu, 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 Biluu is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%92%86%79%70%59%56%64%70%86%94%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Biluu

In Biluu 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 Biluu.

Maximum UV Index Levels in Biluu for September

The chart shows the monthly maximum UV Index (UVI) for Biluu 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 Biluu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367109997521
Data source: Biluu 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 Biluu Compares to Other Months

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

This table compares monthly weather conditions in Biluu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-24°C (-10°F)2 mm (0.1 inches)96%low
February Weather-18°C (-1°F)3 mm (0.1 inches)92%moderate
March Weather-9°C (16°F)9 mm (0.3 inches)86%high
April Weather2°C (35°F)9 mm (0.4 inches)79%high
May Weather8°C (47°F)23 mm (0.9 inches)70%very high
June Weather13°C (56°F)31 mm (1.2 inches)59%very high
July Weather15°C (59°F)59 mm (2.3 inches)56%very high
August Weather13°C (55°F)47 mm (1.9 inches)64%very high
September Weather7°C (44°F)14 mm (0.5 inches)70%high
October Weather-3°C (27°F)7 mm (0.3 inches)86%moderate
November Weather-14°C (8°F)7 mm (0.3 inches)94%low
December Weather-23°C (-9°F)3 mm (0.1 inches)96%low

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