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September Weather in Heitan, China

Last updated: August 23, 2025

In Heitan, China, the average temperature in September hovers around 22°C (71°F), making it a pleasant time to visit. Temperatures can range from a cool 14°C (57°F) to a warm 33°C (92°F). However, expect some rain, with an average precipitation of 264 mm (10.4 in) spread across 16 days. The climate is characterized by high humidity levels at 86%, so be prepared for a bit of mugginess during your stay!

September Temperature in Heitan

In September in Heitan, the average temperature is 22°C (71°F), with maximums reaching up to 33°C (92°F) and minimums dipping as low as 14°C (57°F). This makes it a pleasant time for travelers to enjoy outdoor activities and explore the local attractions comfortably.

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

The chart illustrates September temperature patterns in Heitan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heitan, September typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec424655626974798071615243
Data source: Temperature data for Heitan 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 Heitan

In Heitan in September, the total precipitation amount is 264 mm (10.4 in) spread over 16 days, indicating a relatively wet period.

September Precipitation Trends in Heitan

The chart displays monthly precipitation patterns in Heitan, 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 Heitan, September typically receives around 264 mm (10.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec273864991322293061742641424430
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heitan

In Heitan in September humidity is 86%. With an average temperature of 22°C (71°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel muggy and draining.

September Average Humidity in Heitan

This chart illustrates the average monthly humidity levels in Heitan, 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 Heitan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%86%81%83%85%86%87%86%87%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heitan

In Heitan 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 Heitan.

Maximum UV Index Levels in Heitan for September

The chart shows the monthly maximum UV Index (UVI) for Heitan 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 Heitan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101111121111864
Data source: Heitan 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 Heitan Compares to Other Months

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

This table compares monthly weather conditions in Heitan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)27 mm (1.0 inches)78%moderate
February Weather8°C (46°F)38 mm (1.5 inches)80%high
March Weather13°C (55°F)64 mm (2.5 inches)85%very high
April Weather17°C (62°F)99 mm (3.9 inches)81%very high
May Weather20°C (69°F)132 mm (5.2 inches)83%extreme
June Weather24°C (75°F)229 mm (9.0 inches)85%extreme
July Weather26°C (79°F)306 mm (12.1 inches)86%extreme
August Weather27°C (80°F)174 mm (6.8 inches)87%extreme
September Weather22°C (71°F)264 mm (10.4 inches)86%extreme
October Weather16°C (61°F)141 mm (5.6 inches)86%very high
November Weather11°C (52°F)44 mm (1.7 inches)87%high
December Weather6°C (44°F)30 mm (1.2 inches)85%moderate

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