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September Weather in Jianshan, China

Last updated: August 22, 2025

In September, the average temperature in Jianshan, China is a mild 16°C (60°F), with a minimum dipping to 6°C (43°F) and a maximum peaking at 25°C (77°F). Expect 150 mm (5.9 in) of precipitation over 19 days, contributing to a notably high average humidity of 91%. Perfect weather for cozy indoor activities and appreciating the beauty of nature!

September Temperature in Jianshan

In September in Jianshan, the average temperature is 16°C (60°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 6°C (43°F). This mild climate makes it an ideal time for outdoor activities and sightseeing.

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 16°C (60°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec273244515864686760504029
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 150 mm (5.9 in) over the course of 19 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 150 mm (5.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec192946731141232111881511093720
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 91%. With an average temperature of 16°C (60°F), this humidity feels like you're walking through a warm, damp mist, making travel quite uncomfortable and sticky as you navigate the bustling streets.

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 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%86%85%84%87%88%91%91%91%90%87%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111313131212964
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 Weather-3°C (27°F)19 mm (0.7 inches)87%moderate
February Weather0°C (32°F)29 mm (1.1 inches)90%very high
March Weather7°C (44°F)46 mm (1.8 inches)86%very high
April Weather11°C (52°F)73 mm (2.9 inches)84%extreme
May Weather15°C (58°F)114 mm (4.5 inches)84%extreme
June Weather18°C (64°F)123 mm (4.8 inches)87%extreme
July Weather20°C (68°F)211 mm (8.3 inches)88%extreme
August Weather20°C (68°F)188 mm (7.4 inches)91%extreme
September Weather16°C (60°F)150 mm (5.9 inches)91%extreme
October Weather10°C (50°F)109 mm (4.3 inches)91%very high
November Weather5°C (41°F)37 mm (1.5 inches)90%high
December Weather-1°C (30°F)20 mm (0.8 inches)87%moderate

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