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September Weather in Heishui, China

Last updated: August 22, 2025

In September, the average temperature in Heishui, China hovers around 22°C (72°F). Expect a range from a comfortable 14°C (57°F) to a warm 34°C (93°F). Be prepared for 171 mm (6.7 in) of precipitation over 16 days, contributing to an average humidity of 71%.

September Temperature in Heishui

In September in Heishui, the average temperature is 22°C (72°F). Maximums can reach up to 34°C (93°F) and minimums can drop as low as 14°C (57°F). This mild climate makes Heishui an ideal destination for travelers seeking comfortable weather and pleasant outdoor activities.

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

The chart illustrates September temperature patterns in Heishui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heishui, September typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec404453616874797972615243
Data source: Temperature data for Heishui 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 Heishui

In Heishui in September, the precipitation amount is 171 mm (6.7 in) over a span of 16 days.

September Precipitation Trends in Heishui

The chart displays monthly precipitation patterns in Heishui, 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 Heishui, September typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec78791191131811841441331711119258
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heishui

In Heishui in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Heishui

This chart illustrates the average monthly humidity levels in Heishui, 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 Heishui is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%84%82%86%86%88%85%71%74%85%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heishui

In Heishui 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 Heishui.

Maximum UV Index Levels in Heishui for September

The chart shows the monthly maximum UV Index (UVI) for Heishui 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 Heishui typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111212131211975
Data source: Heishui 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 Heishui Compares to Other Months

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

This table compares monthly weather conditions in Heishui, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)78 mm (3.1 inches)67%high
February Weather6°C (44°F)79 mm (3.1 inches)73%very high
March Weather12°C (53°F)119 mm (4.7 inches)84%very high
April Weather16°C (61°F)113 mm (4.5 inches)82%extreme
May Weather20°C (68°F)181 mm (7.1 inches)86%extreme
June Weather23°C (74°F)184 mm (7.2 inches)86%extreme
July Weather26°C (79°F)144 mm (5.7 inches)88%extreme
August Weather26°C (80°F)133 mm (5.3 inches)85%extreme
September Weather22°C (72°F)171 mm (6.7 inches)71%extreme
October Weather16°C (61°F)111 mm (4.4 inches)74%very high
November Weather11°C (53°F)92 mm (3.6 inches)85%high
December Weather6°C (44°F)58 mm (2.3 inches)75%moderate

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