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September Weather in Heyuan, China

Last updated: August 22, 2025

In Heyuan, China, the average temperature in September is a warm 27°C (80°F), with a minimum of 16°C (60°F) and a maximum reaching up to 37°C (98°F). Visitors should be prepared for some rain, as the area typically sees about 97 mm (3.8 in) of precipitation over 12 days. On top of that, the average humidity hovers around 62%, contributing to the region's tropical flair.

September Temperature in Heyuan

In September in Heyuan, the average temperature is 27°C (80°F), with maximums reaching up to 37°C (98°F) and minimums dipping as low as 16°C (60°F). This makes Heyuan an ideal destination for travelers seeking warm weather and plenty of sunshine during this time.

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

The chart illustrates September temperature patterns in Heyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heyuan, September typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec464958667480858680695948
Data source: Temperature data for Heyuan 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 Heyuan

In Heyuan in September, the precipitation amount is 97 mm (3.8 in) spread over 12 days.

September Precipitation Trends in Heyuan

The chart displays monthly precipitation patterns in Heyuan, 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 Heyuan, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec749722420232441124311997518355
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heyuan

In Heyuan in September, humidity is 62%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travel comfortable but slightly sticky, prompting frequent hydration breaks and a leisurely pace to fully enjoy the surroundings.

September Average Humidity in Heyuan

This chart illustrates the average monthly humidity levels in Heyuan, 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 Heyuan is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heyuan

In Heyuan 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 Heyuan.

Maximum UV Index Levels in Heyuan for September

The chart shows the monthly maximum UV Index (UVI) for Heyuan 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 Heyuan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112131211975
Data source: Heyuan 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 Heyuan Compares to Other Months

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

This table compares monthly weather conditions in Heyuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)74 mm (2.9 inches)64%high
February Weather9°C (49°F)97 mm (3.8 inches)69%very high
March Weather15°C (59°F)224 mm (8.8 inches)79%very high
April Weather19°C (66°F)202 mm (7.9 inches)81%extreme
May Weather24°C (75°F)324 mm (12.8 inches)86%extreme
June Weather27°C (80°F)411 mm (16.2 inches)83%extreme
July Weather30°C (85°F)243 mm (9.6 inches)89%extreme
August Weather30°C (86°F)119 mm (4.7 inches)84%extreme
September Weather27°C (80°F)97 mm (3.8 inches)62%extreme
October Weather21°C (69°F)51 mm (2.0 inches)64%very high
November Weather15°C (60°F)83 mm (3.3 inches)72%high
December Weather9°C (49°F)55 mm (2.2 inches)76%moderate

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