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September Weather in Baiyu, China

Last updated: August 22, 2025

In Baiyu, China, the average temperature in September hovers around 6°C (44°F), with temperatures dipping as low as -10°C (15°F) and reaching a maximum of 18°C (64°F). Expect 162 mm (6.4 in) of precipitation spread over 23 days, contributing to an average humidity of 91%. Be prepared for a chilly, damp atmosphere!

September Temperature in Baiyu

In September in Baiyu, the average temperature is 6°C (44°F). The maximum can reach 18°C (64°F), while the minimum can be as low as -10°C (15°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential.

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

The chart illustrates September temperature patterns in Baiyu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baiyu, September typically has an average temperature of 6°C (44°F), with highs reaching up to 18°C (64°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec8121927374549494431137
Data source: Temperature data for Baiyu 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 Baiyu

In Baiyu in September, the precipitation amount is 162 mm (6.4 in) over a period of 23 days.

September Precipitation Trends in Baiyu

The chart displays monthly precipitation patterns in Baiyu, 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 Baiyu, September typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec12222943931831391661621082914
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Baiyu

In Baiyu in September, humidity is 91%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating extra layers to stay warm while you explore.

September Average Humidity in Baiyu

This chart illustrates the average monthly humidity levels in Baiyu, 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 Baiyu is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%86%78%73%83%88%89%91%91%86%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Baiyu

In Baiyu in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Baiyu, you can check here.

Maximum UV Index Levels in Baiyu for September

The chart shows the monthly maximum UV Index (UVI) for Baiyu 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 Baiyu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69131518171615141185
Data source: Baiyu 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 Baiyu Compares to Other Months

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

This table compares monthly weather conditions in Baiyu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-14°C (8°F)12 mm (0.5 inches)79%high
February Weather-11°C (12°F)22 mm (0.9 inches)86%very high
March Weather-7°C (19°F)29 mm (1.1 inches)78%extreme
April Weather-3°C (27°F)43 mm (1.7 inches)73%extreme
May Weather3°C (37°F)93 mm (3.7 inches)83%extreme
June Weather7°C (45°F)183 mm (7.2 inches)88%extreme
July Weather9°C (49°F)139 mm (5.5 inches)89%extreme
August Weather9°C (49°F)166 mm (6.5 inches)91%extreme
September Weather6°C (44°F)162 mm (6.4 inches)91%extreme
October Weather0°C (31°F)108 mm (4.2 inches)86%extreme
November Weather-10°C (13°F)29 mm (1.1 inches)83%very high
December Weather-14°C (7°F)14 mm (0.6 inches)80%moderate

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