September Weather in Heyou, China

Last updated: August 22, 2025

In September, the average temperature in Heyou, China hovers around 24°C (76°F). However, be prepared for a range of temperatures, as it can dip to a minimum of 16°C (62°F) and soar to a maximum of 38°C (101°F). Expect 177 mm (7.0 in) of precipitation spread over 17 days, contributing to an average humidity level of 84%.

September Temperature in Heyou

In September in Heyou, the average temperature is 24°C (76°F). Maximums can reach 38°C (101°F) and minimums can be as low as 16°C (62°F). This makes Heyou an ideal destination for travelers seeking warm weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Heyou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heyou, September typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec475059667277838576655749
Data source: Temperature data for Heyou 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 Heyou

In Heyou in September, the total precipitation amount is 177 mm (7.0 in) spread over 17 days.

September Precipitation Trends in Heyou

The chart displays monthly precipitation patterns in Heyou, 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 Heyou, September typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec34551011531911601801271771277133
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Heyou

In Heyou in September humidity is 84%. With an average temperature of 24°C (76°F), this humidity feels like a warm, damp embrace that can make outdoor activities feel sticky and uncomfortable, requiring frequent breaks in the shade and plenty of hydration for travelers.

September Average Humidity in Heyou

This chart illustrates the average monthly humidity levels in Heyou, 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 Heyou is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Heyou

In Heyou 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 Heyou.

Maximum UV Index Levels in Heyou for September

The chart shows the monthly maximum UV Index (UVI) for Heyou 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 Heyou typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101112121210964
Data source: Heyou 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 Heyou Compares to Other Months

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

This table compares monthly weather conditions in Heyou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)34 mm (1.3 inches)72%moderate
February Weather10°C (50°F)55 mm (2.2 inches)76%high
March Weather15°C (59°F)101 mm (4.0 inches)80%very high
April Weather19°C (66°F)153 mm (6.0 inches)77%very high
May Weather22°C (72°F)191 mm (7.5 inches)82%extreme
June Weather25°C (77°F)160 mm (6.3 inches)85%extreme
July Weather28°C (84°F)180 mm (7.1 inches)85%extreme
August Weather30°C (85°F)127 mm (5.0 inches)87%extreme
September Weather24°C (76°F)177 mm (7.0 inches)84%very high
October Weather18°C (65°F)127 mm (5.0 inches)81%very high
November Weather14°C (57°F)71 mm (2.8 inches)86%high
December Weather9°C (49°F)33 mm (1.3 inches)81%moderate

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