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September Weather in Heshan, China

Last updated: August 22, 2025

In Heshan, China, the average temperature for September hovers around 25°C (78°F). Visitors can expect a minimum of 15°C (59°F) and a peak temperature of 36°C (96°F). During this month, the region experiences 136 mm (5.4 in) of precipitation over approximately 11 days, contributing to a notably high average humidity of 81%.

September Temperature in Heshan

In September in Heshan, the average temperature is 25°C (78°F), with maximums reaching 36°C (96°F) and minimums dropping as low as 15°C (59°F). This mild climate makes it an ideal destination for travelers seeking a pleasant and enjoyable getaway.

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 25°C (78°F), with highs reaching up to 36°C (96°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec424554637277848577675746
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 reaches 136 mm (5.4 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 136 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec717711390140274278190136485258
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 81%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities less comfortable and requiring frequent breaks to stay hydrated.

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 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec569101111111110864
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 Weather6°C (43°F)71 mm (2.8 inches)70%moderate
February Weather7°C (45°F)77 mm (3.0 inches)73%high
March Weather12°C (55°F)113 mm (4.5 inches)81%very high
April Weather17°C (63°F)90 mm (3.5 inches)87%very high
May Weather22°C (72°F)140 mm (5.5 inches)87%extreme
June Weather25°C (77°F)274 mm (10.8 inches)89%extreme
July Weather29°C (84°F)278 mm (10.9 inches)93%extreme
August Weather29°C (85°F)190 mm (7.5 inches)91%extreme
September Weather25°C (78°F)136 mm (5.4 inches)81%very high
October Weather20°C (67°F)48 mm (1.9 inches)80%very high
November Weather14°C (58°F)52 mm (2.1 inches)82%high
December Weather8°C (46°F)58 mm (2.3 inches)77%moderate

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