September Weather in Jianshan, China

Last updated: August 23, 2025

In September, the average temperature in Jianshan, China is a comfortable 21°C (70°F). Expect a range from a cool 12°C (54°F) to a warm 32°C (89°F). However, be prepared for some rain, as the area receives about 183 mm (7.2 in) of precipitation spread over 19 days. With an average humidity of 71%, it's a perfect time to enjoy the beauty of the season while staying hydrated!

September Temperature in Jianshan

In September in Jianshan, the average temperature is 21°C (70°F). Maximums can reach 32°C (89°F) and minimums can be as low as 12°C (54°F). This pleasant climate makes it an ideal destination for travelers seeking mild weather and outdoor adventures.

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 21°C (70°F), with highs reaching up to 32°C (89°F) and lows dropping to around 12°C (54°F).

Data source: Temperature data for Jianshan generated using information from the Copernicus Climate Change Service.

September Precipitation in Jianshan

In Jianshan in September, the total precipitation amount is 183 mm (7.2 in) over a span 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 183 mm (7.2 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Jianshan

In Jianshan in September, humidity is 71%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities feel slightly heavy and requiring regular breaks to stay refreshed while exploring.

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 71%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	63 mm (2.5 inches)	67%	high
February Weather	5°C (42°F)	82 mm (3.2 inches)	73%	high
March Weather	10°C (51°F)	145 mm (5.7 inches)	84%	very high
April Weather	15°C (59°F)	157 mm (6.2 inches)	82%	extreme
May Weather	19°C (66°F)	245 mm (9.6 inches)	86%	extreme
June Weather	22°C (72°F)	273 mm (10.8 inches)	86%	extreme
July Weather	24°C (76°F)	277 mm (10.9 inches)	88%	extreme
August Weather	25°C (77°F)	159 mm (6.3 inches)	85%	extreme
September Weather	21°C (70°F)	183 mm (7.2 inches)	71%	extreme
October Weather	15°C (59°F)	130 mm (5.1 inches)	74%	very high
November Weather	10°C (51°F)	93 mm (3.7 inches)	85%	high
December Weather	5°C (42°F)	58 mm (2.3 inches)	75%	moderate