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September Weather in Biru, China

Last updated: August 22, 2025

In September, the average temperature in Biru, China hovers around a chilly 6°C (42°F). Expect minimum temperatures to drop as low as -17°C (2°F), while highs can reach up to 16°C (62°F). With an average humidity of 90%, you're likely to encounter frequent precipitation, totaling 176 mm (6.9 in) over 26 days. Prepare for a wet, brisk month in this part of the world!

September Temperature in Biru

In September in Biru, the average temperature is 6°C (42°F), with maximums reaching up to 16°C (62°F) and minimums dropping as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates September temperature patterns in Biru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biru, September typically has an average temperature of 6°C (42°F), with highs reaching up to 16°C (62°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec-2410192940464742284-3
Data source: Temperature data for Biru 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 Biru

In Biru in September, the total precipitation amount is 176 mm (6.9 in) spread over 26 days.

September Precipitation Trends in Biru

The chart displays monthly precipitation patterns in Biru, 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 Biru, September typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1123293475146214202176823320
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Biru

In Biru in September, humidity is 90%. With an average temperature of 6°C (42°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious and causing your clothes to cling uncomfortably, which can be quite challenging for traveling.

September Average Humidity in Biru

This chart illustrates the average monthly humidity levels in Biru, 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 Biru is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%68%62%63%78%87%91%90%90%78%63%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Biru

In Biru in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Biru.

Maximum UV Index Levels in Biru for September

The chart shows the monthly maximum UV Index (UVI) for Biru 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 Biru typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8101517201817161513107
Data source: Biru 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 Biru Compares to Other Months

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

This table compares monthly weather conditions in Biru, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)11 mm (0.5 inches)58%very high
February Weather-16°C (4°F)23 mm (0.9 inches)68%very high
March Weather-12°C (11°F)29 mm (1.2 inches)62%extreme
April Weather-7°C (19°F)34 mm (1.3 inches)63%extreme
May Weather-2°C (30°F)75 mm (3.0 inches)78%extreme
June Weather5°C (40°F)146 mm (5.7 inches)87%extreme
July Weather8°C (47°F)214 mm (8.4 inches)91%extreme
August Weather8°C (47°F)202 mm (7.9 inches)90%extreme
September Weather6°C (42°F)176 mm (6.9 inches)90%extreme
October Weather-2°C (28°F)82 mm (3.2 inches)78%extreme
November Weather-15°C (5°F)33 mm (1.3 inches)63%very high
December Weather-19°C (-3°F)20 mm (0.8 inches)60%high

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