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September Weather in Xilei, China

Last updated: August 22, 2025

In September, the average temperature in Xilei, China hovers around 13°C (56°F). During this time, temperatures can dip as low as -3°C (28°F) or soar up to 28°C (82°F). Expect a total precipitation of about 56 mm (2.2 in) spread over 8 days, and enjoy an average humidity level of 69%.

September Temperature in Xilei

In September in Xilei, the average temperature is 13°C (56°F). Maximums can reach 28°C (82°F) and minimums can be as low as -3°C (28°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates September temperature patterns in Xilei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xilei, September typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec91532445665686456402611
Data source: Temperature data for Xilei 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 Xilei

In Xilei in September, the precipitation amount is 56 mm (2.2 in) over the course of 8 days.

September Precipitation Trends in Xilei

The chart displays monthly precipitation patterns in Xilei, 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 Xilei, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3520274251130895618132
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xilei

In Xilei in September humidity is 69%. With an average temperature of 13°C (56°F), this humidity feels like a cool and damp embrace, which might make traveling somewhat uncomfortable as the air weighs down on you, adding to the chill and making your clothes cling.

September Average Humidity in Xilei

This chart illustrates the average monthly humidity levels in Xilei, 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 Xilei is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%68%55%57%50%64%72%81%69%69%59%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xilei

In Xilei 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 Xilei.

Maximum UV Index Levels in Xilei for September

The chart shows the monthly maximum UV Index (UVI) for Xilei 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 Xilei typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2469101111108642
Data source: Xilei 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 Xilei Compares to Other Months

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

This table compares monthly weather conditions in Xilei, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (10°F)3 mm (0.1 inches)78%low
February Weather-9°C (15°F)5 mm (0.2 inches)68%moderate
March Weather0°C (32°F)20 mm (0.8 inches)54%high
April Weather7°C (44°F)27 mm (1.0 inches)57%very high
May Weather13°C (56°F)42 mm (1.6 inches)50%very high
June Weather18°C (65°F)51 mm (2.0 inches)63%extreme
July Weather20°C (68°F)130 mm (5.1 inches)72%extreme
August Weather18°C (65°F)89 mm (3.5 inches)81%very high
September Weather13°C (56°F)56 mm (2.2 inches)69%very high
October Weather4°C (40°F)18 mm (0.7 inches)69%high
November Weather-4°C (26°F)13 mm (0.5 inches)59%moderate
December Weather-12°C (11°F)2 mm (0.1 inches)71%low

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