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September Weather in Jianshan, China

Last updated: August 22, 2025

In Jianshan, China, the average temperature in September hovers around 25°C (77°F), making it a pleasant time to visit. However, be prepared for some temperature fluctuations, as it can drop to a minimum of 16°C (60°F) and soar to a maximum of 37°C (99°F). Expect 119 mm (4.7 in) of rainfall spread over 13 days, and enjoy the lush greenery that springs from the average humidity of 78%.

September Temperature in Jianshan

In September in Jianshan, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F), while minimums can drop to as low as 16°C (60°F). This mild climate makes it an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Jianshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jianshan, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec434554627175828376665746
Data source: Temperature data for Jianshan 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 Jianshan

In Jianshan in September, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

September Precipitation Trends in Jianshan

The chart displays monthly precipitation patterns in Jianshan, 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 Jianshan, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6266123103197303291187119806459
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jianshan

In Jianshan in September, humidity is 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

September Average Humidity in Jianshan

This chart illustrates the average monthly humidity levels in Jianshan, 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 Jianshan is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%80%86%88%89%91%88%79%79%80%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jianshan

In Jianshan 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 Jianshan.

Maximum UV Index Levels in Jianshan for September

The chart shows the monthly maximum UV Index (UVI) for Jianshan 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 Jianshan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810101212121211875
Data source: Jianshan 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 Jianshan Compares to Other Months

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

This table compares monthly weather conditions in Jianshan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)61 mm (2.4 inches)68%high
February Weather7°C (45°F)66 mm (2.6 inches)73%very high
March Weather12°C (54°F)123 mm (4.8 inches)80%very high
April Weather17°C (62°F)103 mm (4.1 inches)86%very high
May Weather21°C (71°F)197 mm (7.7 inches)88%extreme
June Weather24°C (76°F)303 mm (11.9 inches)89%extreme
July Weather28°C (82°F)291 mm (11.5 inches)91%extreme
August Weather28°C (83°F)187 mm (7.4 inches)88%extreme
September Weather25°C (77°F)119 mm (4.7 inches)78%extreme
October Weather19°C (66°F)80 mm (3.1 inches)79%very high
November Weather14°C (57°F)64 mm (2.5 inches)80%high
December Weather8°C (46°F)59 mm (2.3 inches)80%moderate

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