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September Weather in Jianyi, China

Last updated: August 23, 2025

In Jianyi, China, the average temperature in September hovers around 19°C (66°F), with a minimum of 4°C (40°F) and a maximum soaring to 30°C (86°F). Expect a fair share of rain, with 92 mm (3.6 in) of precipitation over approximately 9 days. The air carries a 75% humidity level, creating a warm and somewhat humid atmosphere to enjoy.

September Temperature in Jianyi

In September in Jianyi, the average temperature is 19°C (66°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as 4°C (40°F). This pleasant range makes it an ideal time for travel, offering a comfortable climate for sightseeing and outdoor activities.

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

The chart illustrates September temperature patterns in Jianyi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jianyi, September typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec172338526370777566513621
Data source: Temperature data for Jianyi 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 Jianyi

In Jianyi in September, the precipitation amount is 92 mm (3.6 in) during 9 days, indicating a relatively wet period for the region.

September Precipitation Trends in Jianyi

The chart displays monthly precipitation patterns in Jianyi, 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 Jianyi, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec610172877761052039258389
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jianyi

In Jianyi in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Jianyi

This chart illustrates the average monthly humidity levels in Jianyi, 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 Jianyi is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%52%53%60%71%79%85%86%75%80%70%58%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jianyi

In Jianyi 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 Jianyi.

Maximum UV Index Levels in Jianyi for September

The chart shows the monthly maximum UV Index (UVI) for Jianyi 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 Jianyi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236881011108632
Data source: Jianyi 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 Jianyi Compares to Other Months

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

This table compares monthly weather conditions in Jianyi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)6 mm (0.2 inches)58%low
February Weather-5°C (23°F)10 mm (0.4 inches)52%moderate
March Weather4°C (39°F)17 mm (0.7 inches)53%high
April Weather11°C (52°F)28 mm (1.1 inches)59%very high
May Weather17°C (63°F)77 mm (3.0 inches)70%very high
June Weather21°C (71°F)76 mm (3.0 inches)79%very high
July Weather25°C (77°F)105 mm (4.1 inches)85%extreme
August Weather24°C (75°F)203 mm (8.0 inches)86%very high
September Weather19°C (66°F)92 mm (3.6 inches)75%very high
October Weather11°C (51°F)58 mm (2.3 inches)80%high
November Weather2°C (37°F)38 mm (1.5 inches)70%moderate
December Weather-6°C (22°F)9 mm (0.4 inches)58%low

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