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September Weather in Zhangjiagang, China

Last updated: August 22, 2025

In September, the average temperature in Zhangjiagang, China hovers around 25°C (77°F). Expect a range from a comfortable 15°C (60°F) to a warm 34°C (94°F). With 119 mm (4.7 in) of precipitation spread over 11 days, the air can feel quite humid, with an average humidity of 81%.

September Temperature in Zhangjiagang

In September in Zhangjiagang, the average temperature is 25°C (77°F). The maximum can reach 34°C (94°F), while the minimum can drop to as low as 15°C (60°F). This pleasant weather makes Zhangjiagang an ideal destination for travelers seeking a warm escape.

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

The chart illustrates September temperature patterns in Zhangjiagang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zhangjiagang, September typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec414353617177838477665644
Data source: Temperature data for Zhangjiagang 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 Zhangjiagang

In Zhangjiagang in September, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

September Precipitation Trends in Zhangjiagang

The chart displays monthly precipitation patterns in Zhangjiagang, 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 Zhangjiagang, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec53556972119163270147119454239
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zhangjiagang

In Zhangjiagang in September, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Zhangjiagang

This chart illustrates the average monthly humidity levels in Zhangjiagang, 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 Zhangjiagang is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%81%87%87%89%93%91%81%80%82%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Zhangjiagang

In Zhangjiagang in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Zhangjiagang.

Maximum UV Index Levels in Zhangjiagang for September

The chart shows the monthly maximum UV Index (UVI) for Zhangjiagang 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 Zhangjiagang typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011111110764
Data source: Zhangjiagang 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 Zhangjiagang Compares to Other Months

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

This table compares monthly weather conditions in Zhangjiagang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)70%moderate
February Weather6°C (44°F)55 mm (2.2 inches)73%high
March Weather12°C (53°F)69 mm (2.7 inches)81%very high
April Weather16°C (62°F)72 mm (2.8 inches)87%very high
May Weather22°C (71°F)119 mm (4.7 inches)87%very high
June Weather25°C (77°F)163 mm (6.4 inches)89%extreme
July Weather29°C (84°F)270 mm (10.6 inches)93%extreme
August Weather29°C (85°F)147 mm (5.8 inches)91%extreme
September Weather25°C (77°F)119 mm (4.7 inches)81%very high
October Weather19°C (66°F)45 mm (1.8 inches)80%high
November Weather13°C (56°F)42 mm (1.7 inches)82%high
December Weather7°C (45°F)39 mm (1.5 inches)77%moderate

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