September Weather in Yanqi, China

Last updated: August 22, 2025

In September, the average temperature in Yanqi, China hovers around 21°C (70°F), offering a pleasant climate for outdoor activities. However, be prepared for temperature fluctuations, as it can dip to a chilly 8°C (46°F) or soar to a warm 35°C (96°F). Expect about 59 mm (2.3 in) of precipitation over 6 days, contributing to an average humidity level of 74%. Whether you're exploring or relaxing, the weather in Yanqi this September has something for everyone!

September Temperature in Yanqi

In September in Yanqi, the average temperature is 21°C (70°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 8°C (46°F). This makes it a great time to explore Yanqi, where you can enjoy warm days while also being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Yanqi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanqi, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec243044597079807870544027
Data source: Temperature data for Yanqi 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 Yanqi

In Yanqi in September, the precipitation amount is 59 mm (2.3 in) over the course of 6 days.

September Precipitation Trends in Yanqi

The chart displays monthly precipitation patterns in Yanqi, 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 Yanqi, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec17152021412121356031163
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yanqi

In Yanqi in September humidity is 74%. With an average temperature of 21°C (70°F), this humidity feels like a warm, moist embrace, making outdoor activities both invigorating and slightly draining, so travelers should stay hydrated and take breaks often.

September Average Humidity in Yanqi

This chart illustrates the average monthly humidity levels in Yanqi, 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 Yanqi is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%59%52%56%56%68%78%83%74%74%58%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yanqi

In Yanqi 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 Yanqi.

Maximum UV Index Levels in Yanqi for September

The chart shows the monthly maximum UV Index (UVI) for Yanqi 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 Yanqi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458991098632
Data source: Yanqi 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 Yanqi Compares to Other Months

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

This table compares monthly weather conditions in Yanqi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)1 mm (0.1 inches)65%low
February Weather-1°C (30°F)7 mm (0.3 inches)59%moderate
March Weather7°C (45°F)15 mm (0.6 inches)52%moderate
April Weather15°C (59°F)20 mm (0.8 inches)56%very high
May Weather21°C (71°F)21 mm (0.8 inches)56%very high
June Weather26°C (79°F)41 mm (1.6 inches)68%very high
July Weather27°C (81°F)212 mm (8.4 inches)78%very high
August Weather26°C (78°F)135 mm (5.3 inches)83%very high
September Weather21°C (70°F)59 mm (2.3 inches)74%very high
October Weather12°C (55°F)31 mm (1.2 inches)74%high
November Weather4°C (40°F)16 mm (0.6 inches)58%moderate
December Weather-3°C (27°F)3 mm (0.1 inches)60%low

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