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September Weather in Xilian, China

Last updated: August 23, 2025

In September, the average temperature in Xilian, China rests at a pleasant 21°C (71°F). Expect a comforting range where the minimum can dip to 12°C (54°F), while the maximum may soar to 33°C (92°F). During this time, anticipate 143 mm (5.6 in) of precipitation over approximately 17 days, contributing to an average humidity of 70%. Stay prepared for a mix of warmth and occasional rain!

September Temperature in Xilian

In September in Xilian, the average temperature is 21°C (71°F). Maximums can reach 33°C (92°F), and minimums can be as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy mild weather, perfect for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Xilian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xilian, September typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec384151596673777770595141
Data source: Temperature data for Xilian 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 Xilian

In Xilian in September, the total precipitation amount is 143 mm (5.6 in) spread over 17 days.

September Precipitation Trends in Xilian

The chart displays monthly precipitation patterns in Xilian, 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 Xilian, September typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7373124175231245227200143927046
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xilian

In Xilian in September humidity is 70%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making travel feel both comfortable and slightly sticky, requiring frequent breaks to stay refreshed.

September Average Humidity in Xilian

This chart illustrates the average monthly humidity levels in Xilian, 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 Xilian is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%75%86%86%86%87%89%86%70%73%83%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xilian

In Xilian in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Xilian.

Maximum UV Index Levels in Xilian for September

The chart shows the monthly maximum UV Index (UVI) for Xilian 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 Xilian typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec678111111131211975
Data source: Xilian 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 Xilian Compares to Other Months

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

This table compares monthly weather conditions in Xilian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)73 mm (2.9 inches)71%high
February Weather5°C (42°F)73 mm (2.9 inches)75%high
March Weather11°C (51°F)124 mm (4.9 inches)86%very high
April Weather15°C (59°F)175 mm (6.9 inches)86%extreme
May Weather19°C (67°F)231 mm (9.1 inches)86%extreme
June Weather23°C (73°F)245 mm (9.6 inches)87%extreme
July Weather25°C (77°F)227 mm (8.9 inches)89%extreme
August Weather25°C (78°F)200 mm (7.9 inches)86%extreme
September Weather21°C (71°F)143 mm (5.6 inches)70%extreme
October Weather15°C (60°F)92 mm (3.6 inches)72%very high
November Weather11°C (51°F)70 mm (2.7 inches)82%high
December Weather5°C (41°F)46 mm (1.8 inches)76%moderate

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