September Weather in Dayu, China

Last updated: August 22, 2025

In September, the average temperature in Dayu, China hovers around 11°C (52°F), with a minimum drop to 1°C (34°F) and a pleasant peak of 21°C (70°F). Expect 144 mm (5.7 in) of precipitation over 21 days, contributing to a high average humidity of 91%. Perfect for cozy indoor activities and enjoying the lush, vibrant scenery this season brings!

September Temperature in Dayu

In September in Dayu, the average temperature is 11°C (52°F). Maximums can reach 21°C (70°F) and minimums can drop as low as 1°C (34°F). This makes it an ideal time for travelers who enjoy mild weather and layering for comfort.

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

The chart illustrates September temperature patterns in Dayu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayu, September typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around 1°C (34°F).

Data source: Temperature data for Dayu generated using information from the Copernicus Climate Change Service.

September Precipitation in Dayu

In Dayu in September, the precipitation amount is 144 mm (5.7 in) over a span of 21 days.

September Precipitation Trends in Dayu

The chart displays monthly precipitation patterns in Dayu, 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 Dayu, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 21 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Dayu

In Dayu in September, humidity is 91%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers and plan for cozy indoor activities rather than lengthy outdoor explorations.

September Average Humidity in Dayu

This chart illustrates the average monthly humidity levels in Dayu, 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 Dayu is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dayu

In Dayu in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Dayu.

Maximum UV Index Levels in Dayu for September

The chart shows the monthly maximum UV Index (UVI) for Dayu 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 Dayu typically reaches 12, which falls under the extreme exposure category.

Data source: Dayu 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 Dayu Compares to Other Months

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

This table compares monthly weather conditions in Dayu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	18 mm (0.7 inches)	87%	moderate
February Weather	-7°C (20°F)	24 mm (0.9 inches)	90%	very high
March Weather	0°C (33°F)	50 mm (2.0 inches)	86%	extreme
April Weather	5°C (41°F)	96 mm (3.8 inches)	84%	extreme
May Weather	9°C (49°F)	133 mm (5.2 inches)	84%	extreme
June Weather	12°C (55°F)	146 mm (5.8 inches)	87%	extreme
July Weather	15°C (60°F)	153 mm (6.0 inches)	88%	extreme
August Weather	15°C (59°F)	142 mm (5.6 inches)	91%	extreme
September Weather	11°C (52°F)	144 mm (5.7 inches)	91%	extreme
October Weather	6°C (42°F)	113 mm (4.4 inches)	91%	very high
November Weather	-1°C (31°F)	39 mm (1.5 inches)	90%	high
December Weather	-8°C (18°F)	17 mm (0.7 inches)	87%	moderate