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September Weather in Dayuan, China

Last updated: August 22, 2025

In Dayuan, China, the average temperature in September is a pleasant 25°C (78°F). Expect a comfortable range as temperatures can dip to a minimum of 15°C (59°F) and soar to a maximum of 36°C (98°F). Be prepared for some rainy days, as 106 mm (4.2 in) of precipitation is typically spread over 16 days. With an average humidity of 62%, the climate remains enjoyable for various activities.

September Temperature in Dayuan

In September in Dayuan, the average temperature is 25°C (78°F). The maximum can reach 36°C (98°F) and the minimum can be as low as 15°C (59°F). This warm climate makes it a great destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Dayuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayuan, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec474959647378818178675948
Data source: Temperature data for Dayuan 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 Dayuan

In Dayuan in September, the total precipitation amount is 106 mm (4.2 in) spread over 16 days.

September Precipitation Trends in Dayuan

The chart displays monthly precipitation patterns in Dayuan, 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 Dayuan, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4789156151176266132140106547226
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dayuan

In Dayuan in September, humidity is 62%. With an average temperature of 25°C (78°F), this humidity feels like a warm, balmy embrace, making travel enjoyable yet slightly sticky.

September Average Humidity in Dayuan

This chart illustrates the average monthly humidity levels in Dayuan, 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 Dayuan is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%66%77%73%85%83%89%88%62%56%63%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dayuan

In Dayuan 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 Dayuan.

Maximum UV Index Levels in Dayuan for September

The chart shows the monthly maximum UV Index (UVI) for Dayuan 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 Dayuan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111213131313111086
Data source: Dayuan 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 Dayuan Compares to Other Months

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

This table compares monthly weather conditions in Dayuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)47 mm (1.9 inches)63%high
February Weather10°C (50°F)89 mm (3.5 inches)66%very high
March Weather15°C (59°F)156 mm (6.2 inches)77%extreme
April Weather18°C (65°F)151 mm (6.0 inches)73%extreme
May Weather23°C (73°F)176 mm (6.9 inches)85%extreme
June Weather25°C (78°F)266 mm (10.5 inches)83%extreme
July Weather27°C (82°F)132 mm (5.2 inches)89%extreme
August Weather27°C (81°F)140 mm (5.5 inches)88%extreme
September Weather25°C (78°F)106 mm (4.2 inches)62%extreme
October Weather19°C (67°F)54 mm (2.1 inches)56%very high
November Weather15°C (59°F)72 mm (2.8 inches)63%very high
December Weather9°C (49°F)26 mm (1.0 inches)70%high

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