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September Weather in Heshan, China

Last updated: August 22, 2025

In Heshan, China, the average temperature in September is a warm 28°C (82°F). It can range from a cool 18°C (65°F) to a sweltering 38°C (101°F). During this time, expect around 78 mm (3.1 in) of precipitation spread over approximately 8 days, contributing to an average humidity of 73%. Enjoy the warmth, but be prepared for those occasional showers!

September Temperature in Heshan

In September in Heshan, the average temperature is 28°C (82°F), with maximums reaching 38°C (101°F) and minimums dropping to as low as 18°C (65°F). This warm climate makes Heshan an ideal destination for travelers seeking sunny escapes and outdoor adventures.

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 38°C (101°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959677681878882706049
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 total precipitation amount is 78 mm (3.1 in) over the course of 8 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 78 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec648820619224338825811078427453
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 73%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making traveling feel sticky and heavier; staying hydrated and taking breaks in the shade becomes essential.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101112121210975
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 Weather8°C (46°F)64 mm (2.5 inches)69%high
February Weather9°C (49°F)88 mm (3.5 inches)73%high
March Weather15°C (59°F)206 mm (8.1 inches)82%very high
April Weather20°C (67°F)192 mm (7.6 inches)86%very high
May Weather24°C (76°F)243 mm (9.6 inches)86%extreme
June Weather27°C (82°F)388 mm (15.3 inches)86%extreme
July Weather31°C (87°F)258 mm (10.2 inches)90%extreme
August Weather31°C (88°F)110 mm (4.3 inches)86%extreme
September Weather28°C (82°F)78 mm (3.1 inches)73%very high
October Weather21°C (71°F)42 mm (1.7 inches)73%very high
November Weather16°C (60°F)74 mm (2.9 inches)80%high
December Weather10°C (49°F)53 mm (2.1 inches)79%moderate

Compare Heshan's Climate with Cities Worldwide