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September Weather in Qilian, China

Last updated: August 22, 2025

The average temperature in Qilian, China for September hovers around 4°C (39°F). During this time, temperatures can dip to a minimum of -13°C (9°F) and reach a maximum of 16°C (62°F). Expect 116 mm (4.6 in) of precipitation over approximately 19 days, and enjoy the moderate average humidity of 49%.

September Temperature in Qilian

In September in Qilian, the average temperature is a chilly 4°C (39°F). The maximum can reach a mild 16°C (62°F), while the minimum can plunge to a frigid -13°C (9°F). Pack accordingly if you're planning to travel, as the weather can be quite variable!

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

The chart illustrates September temperature patterns in Qilian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Qilian, September typically has an average temperature of 4°C (39°F), with highs reaching up to 16°C (62°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec151726354348473923102
Data source: Temperature data for Qilian 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 Qilian

In Qilian in September, precipitation amounts to 116 mm (4.6 in) over the course of 19 days.

September Precipitation Trends in Qilian

The chart displays monthly precipitation patterns in Qilian, 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 Qilian, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec81020517513514216911647104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Qilian

In Qilian in September, humidity is 49%. With an average temperature of 4°C (39°F), this humidity feels like a crisp, biting chill in the air, making traveling a brisk and invigorating experience, where the layered clothing is essential to keep warm while enjoying the scenery.

September Average Humidity in Qilian

This chart illustrates the average monthly humidity levels in Qilian, 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 Qilian is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec60%57%60%55%39%41%39%44%49%59%62%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Qilian

In Qilian 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 Qilian.

Maximum UV Index Levels in Qilian for September

The chart shows the monthly maximum UV Index (UVI) for Qilian 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 Qilian typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec359111314131211853
Data source: Qilian 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 Qilian Compares to Other Months

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

This table compares monthly weather conditions in Qilian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (1°F)8 mm (0.3 inches)60%moderate
February Weather-15°C (5°F)10 mm (0.4 inches)57%moderate
March Weather-8°C (18°F)20 mm (0.8 inches)60%very high
April Weather-3°C (26°F)51 mm (2.0 inches)55%extreme
May Weather1°C (35°F)75 mm (2.9 inches)39%extreme
June Weather6°C (43°F)135 mm (5.3 inches)41%extreme
July Weather9°C (49°F)142 mm (5.6 inches)39%extreme
August Weather8°C (47°F)169 mm (6.6 inches)44%extreme
September Weather4°C (39°F)116 mm (4.6 inches)49%extreme
October Weather-5°C (23°F)47 mm (1.8 inches)59%very high
November Weather-12°C (10°F)10 mm (0.4 inches)62%moderate
December Weather-17°C (2°F)4 mm (0.1 inches)61%moderate

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