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September Weather in Jiachuan, China

Last updated: August 23, 2025

In Jiachuan, China, the average temperature in September is a pleasant 20°C (68°F). Expect a range from a cool 13°C (55°F) to a warm 31°C (88°F). During this month, precipitation amounts to 265 mm (10.5 in) spread over 19 days, contributing to an average humidity of a high 89%.

September Temperature in Jiachuan

In September in Jiachuan, the average temperature is 20°C (68°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 13°C (55°F). This pleasant climate makes Jiachuan an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Jiachuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiachuan, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec394353596672767768584941
Data source: Temperature data for Jiachuan 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 Jiachuan

In Jiachuan in September, the precipitation amount is 265 mm (10.5 in) over the course of 19 days.

September Precipitation Trends in Jiachuan

The chart displays monthly precipitation patterns in Jiachuan, 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 Jiachuan, September typically receives around 265 mm (10.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec263863891311993022382651584534
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jiachuan

In Jiachuan in September, humidity is 89%. With an average temperature of 20°C (68°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making each step feel heavier and the air thick with moisture, which can be quite uncomfortable for traveling.

September Average Humidity in Jiachuan

This chart illustrates the average monthly humidity levels in Jiachuan, 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 Jiachuan is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%90%85%81%86%87%88%89%90%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jiachuan

In Jiachuan 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 Jiachuan.

Maximum UV Index Levels in Jiachuan for September

The chart shows the monthly maximum UV Index (UVI) for Jiachuan 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 Jiachuan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101212121111864
Data source: Jiachuan 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 Jiachuan Compares to Other Months

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

This table compares monthly weather conditions in Jiachuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)26 mm (1.0 inches)85%moderate
February Weather6°C (44°F)38 mm (1.5 inches)87%high
March Weather12°C (53°F)63 mm (2.5 inches)90%very high
April Weather15°C (60°F)89 mm (3.5 inches)85%very high
May Weather19°C (67°F)131 mm (5.1 inches)81%extreme
June Weather22°C (72°F)199 mm (7.8 inches)86%extreme
July Weather24°C (76°F)302 mm (11.9 inches)87%extreme
August Weather25°C (77°F)238 mm (9.4 inches)88%extreme
September Weather20°C (68°F)265 mm (10.5 inches)89%extreme
October Weather15°C (58°F)158 mm (6.2 inches)90%very high
November Weather10°C (50°F)45 mm (1.8 inches)88%high
December Weather5°C (41°F)34 mm (1.4 inches)88%moderate

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