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September Weather in Jiantang, China

Last updated: August 22, 2025

In September, the average temperature in Jiantang, China hovers around 14°C (58°F). Expect minimums to dip as low as -1°C (30°F) and maximums to reach a comfortable 28°C (83°F). During this month, you'll encounter precipitation totaling 89 mm (3.5 in) over approximately 12 days, accompanied by an average humidity of 86%. Prepare accordingly for the varied weather!

September Temperature in Jiantang

In September in Jiantang, the average temperature is 14°C (58°F). Maximums can reach 28°C (83°F), and minimums can be as low as -1°C (30°F). Therefore, travelers should be prepared for a diverse range of weather conditions.

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

The chart illustrates September temperature patterns in Jiantang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiantang, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec172743566473685842234
Data source: Temperature data for Jiantang 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 Jiantang

In Jiantang in September, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

September Precipitation Trends in Jiantang

The chart displays monthly precipitation patterns in Jiantang, 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 Jiantang, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec61025369311712220589293610
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jiantang

In Jiantang in September, humidity is 86%. With an average temperature of 14°C (58°F), this humidity feels like traveling in a warm, sticky embrace that can make outdoor adventures a bit heavy and sweat-inducing, so it's wise to stay hydrated and take frequent breaks in the shade.

September Average Humidity in Jiantang

This chart illustrates the average monthly humidity levels in Jiantang, 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 Jiantang is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%71%65%70%82%87%88%86%83%65%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jiantang

In Jiantang in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Jiantang.

Maximum UV Index Levels in Jiantang for September

The chart shows the monthly maximum UV Index (UVI) for Jiantang 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 Jiantang typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357891097422
Data source: Jiantang 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 Jiantang Compares to Other Months

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

This table compares monthly weather conditions in Jiantang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (1°F)6 mm (0.2 inches)84%low
February Weather-14°C (8°F)10 mm (0.4 inches)79%moderate
March Weather-3°C (27°F)25 mm (1.0 inches)71%moderate
April Weather6°C (43°F)36 mm (1.4 inches)65%high
May Weather13°C (56°F)93 mm (3.6 inches)70%very high
June Weather18°C (64°F)117 mm (4.6 inches)82%very high
July Weather23°C (73°F)122 mm (4.8 inches)87%very high
August Weather20°C (68°F)205 mm (8.1 inches)88%very high
September Weather14°C (58°F)89 mm (3.5 inches)86%high
October Weather5°C (42°F)29 mm (1.1 inches)83%moderate
November Weather-5°C (23°F)36 mm (1.4 inches)65%low
December Weather-15°C (4°F)10 mm (0.4 inches)66%low

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