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September Weather in Heishantou, China

Last updated: August 22, 2025

In September, the average temperature in Heishantou, China hovers around 11°C (53°F). Prepare for a temperature swing as lows can dip to -5°C (22°F), while highs can reach up to 30°C (86°F). Expect some moisture in the air, with an average precipitation of 62 mm (2.4 in) spread across 9 days, contributing to a notably high average humidity of 86%.

September Temperature in Heishantou

In September in Heishantou, the average temperature is 11°C (53°F). The maximum can reach 30°C (86°F), while the minimum can dip as low as -5°C (22°F). This wide range of temperatures makes it essential for travelers to pack a variety of clothing to stay comfortable throughout their visit.

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

The chart illustrates September temperature patterns in Heishantou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heishantou, September typically has an average temperature of 11°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec-11-2213953647064523413-7
Data source: Temperature data for Heishantou 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 Heishantou

In Heishantou in September, the precipitation amount is 62 mm (2.4 in) over the course of 9 days.

September Precipitation Trends in Heishantou

The chart displays monthly precipitation patterns in Heishantou, 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 Heishantou, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec466163560109100622683
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heishantou

In Heishantou in September, humidity is 86%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket that dampens the air, making traveling uncomfortable and a bit stifling.

September Average Humidity in Heishantou

This chart illustrates the average monthly humidity levels in Heishantou, 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 Heishantou is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%87%76%70%75%78%84%84%86%84%85%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heishantou

In Heishantou in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Heishantou.

Maximum UV Index Levels in Heishantou for September

The chart shows the monthly maximum UV Index (UVI) for Heishantou 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 Heishantou typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578985421
Data source: Heishantou 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 Heishantou Compares to Other Months

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

This table compares monthly weather conditions in Heishantou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-24°C (-11°F)4 mm (0.1 inches)95%low
February Weather-19°C (-2°F)6 mm (0.2 inches)87%low
March Weather-6°C (21°F)6 mm (0.2 inches)75%moderate
April Weather4°C (39°F)16 mm (0.6 inches)70%moderate
May Weather12°C (53°F)35 mm (1.4 inches)75%high
June Weather18°C (65°F)60 mm (2.4 inches)78%very high
July Weather21°C (70°F)109 mm (4.3 inches)84%very high
August Weather18°C (64°F)100 mm (3.9 inches)84%very high
September Weather11°C (53°F)62 mm (2.4 inches)86%moderate
October Weather1°C (34°F)26 mm (1.0 inches)84%moderate
November Weather-11°C (13°F)8 mm (0.3 inches)84%low
December Weather-22°C (-7°F)3 mm (0.1 inches)94%low

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