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September Weather in Heshan, China

Last updated: August 22, 2025

In September, the average temperature in Heshan, China hovers around 15°C (60°F). However, expect a temperature range that can dip to a chilly 1°C (35°F) and soar to a warm 32°C (89°F). During this month, precipitation typically measures 94 mm (3.7 in) across 11 days, while the average humidity lingers at a high 82%. Be prepared for a variety of weather conditions!

September Temperature in Heshan

In September, in Heshan, the average temperature is 15°C (60°F). The maximum can reach up to 32°C (89°F), while the minimum can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates September temperature patterns in Heshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heshan, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec2103046606976695943235
Data source: Temperature data for Heshan 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 Heshan

In Heshan in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Heshan

The chart displays monthly precipitation patterns in Heshan, 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 Heshan, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec245243892146137941874
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heshan

In Heshan in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Heshan

This chart illustrates the average monthly humidity levels in Heshan, 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 Heshan is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%60%60%57%58%76%84%85%82%77%61%62%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heshan

In Heshan in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Heshan, you can refer to this Hourly UV Index in Heshan.

Maximum UV Index Levels in Heshan for September

The chart shows the monthly maximum UV Index (UVI) for Heshan 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 Heshan typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Heshan 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 Heshan Compares to Other Months

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

This table compares monthly weather conditions in Heshan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (3°F)2 mm (0.1 inches)70%low
February Weather-12°C (10°F)4 mm (0.2 inches)60%moderate
March Weather-1°C (30°F)5 mm (0.2 inches)60%moderate
April Weather8°C (46°F)24 mm (0.9 inches)57%high
May Weather15°C (60°F)38 mm (1.5 inches)58%very high
June Weather20°C (69°F)92 mm (3.6 inches)76%very high
July Weather24°C (76°F)145 mm (5.7 inches)84%very high
August Weather21°C (69°F)137 mm (5.4 inches)85%very high
September Weather15°C (60°F)94 mm (3.7 inches)82%high
October Weather6°C (43°F)18 mm (0.7 inches)77%moderate
November Weather-5°C (23°F)7 mm (0.3 inches)61%low
December Weather-15°C (5°F)4 mm (0.2 inches)62%low

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