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September Weather in Heshan, China

Last updated: August 22, 2025

In September, the average temperature in Heshan, China is a warm 28°C (82°F), with minimums dipping to 19°C (66°F) and maximums soaring up to 37°C (100°F). Expect 135 mm (5.3 in) of precipitation spread over approximately 15 days, and be prepared for an average humidity level of 72%.

September Temperature in Heshan

In September in Heshan, the average temperature is 28°C (82°F), with maximums reaching 37°C (100°F) and minimums dropping to as low as 19°C (66°F). This pleasant climate makes Heshan an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

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 28°C (82°F), with highs reaching up to 37°C (100°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec555765717882848482736657
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 135 mm (5.3 in), occurring over a span of 15 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 135 mm (5.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec68761701601813302312271351126155
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 72%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities both refreshing and slightly exhausting, as you find yourself sweating more quickly and seeking shade more often while exploring the vibrant surroundings.

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 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%62%62%58%74%80%89%88%72%64%61%63%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111113121313111086
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 Weather13°C (55°F)68 mm (2.7 inches)56%high
February Weather14°C (57°F)76 mm (3.0 inches)62%very high
March Weather18°C (65°F)170 mm (6.7 inches)62%extreme
April Weather22°C (71°F)160 mm (6.3 inches)58%extreme
May Weather26°C (79°F)181 mm (7.1 inches)74%extreme
June Weather28°C (83°F)330 mm (13.0 inches)80%extreme
July Weather29°C (84°F)231 mm (9.1 inches)89%extreme
August Weather29°C (84°F)227 mm (8.9 inches)88%extreme
September Weather28°C (82°F)135 mm (5.3 inches)72%extreme
October Weather23°C (74°F)112 mm (4.4 inches)64%very high
November Weather19°C (66°F)61 mm (2.4 inches)61%very high
December Weather14°C (57°F)55 mm (2.2 inches)63%high

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