September Weather in Dayu, China

Last updated: August 22, 2025

In September, the average temperature in Dayu, China hovers around 25°C (77°F), with daytime highs reaching up to 33°C (92°F) and cooling down to a minimum of 17°C (63°F) at night. Expect about 147 mm (5.8 in) of precipitation spread over 11 days, contributing to a lush environment. The air is quite humid, with an average humidity level of 79%, making it a cozy yet vibrant destination!

September Temperature in Dayu

In September in Dayu, the average temperature is 25°C (77°F), with maximums reaching 33°C (92°F) and minimums dropping to as low as 17°C (63°F). This pleasant climate makes it an ideal time for traveling and exploring the attractions of Dayu.

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 25°C (77°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (63°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 total precipitation amount is 147 mm (5.8 in), occurring over the course of 11 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 147 mm (5.8 inches) of precipitation spread over approximately 11 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 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

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 79%, 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 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 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 10, which falls under the very high 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	5°C (41°F)	50 mm (2.0 inches)	67%	moderate
February Weather	6°C (43°F)	54 mm (2.1 inches)	69%	high
March Weather	10°C (51°F)	60 mm (2.4 inches)	79%	very high
April Weather	15°C (59°F)	73 mm (2.9 inches)	86%	very high
May Weather	20°C (68°F)	110 mm (4.3 inches)	87%	very high
June Weather	24°C (75°F)	126 mm (5.0 inches)	90%	extreme
July Weather	28°C (82°F)	224 mm (8.8 inches)	95%	extreme
August Weather	28°C (83°F)	183 mm (7.2 inches)	92%	extreme
September Weather	25°C (77°F)	147 mm (5.8 inches)	79%	very high
October Weather	19°C (67°F)	63 mm (2.5 inches)	76%	very high
November Weather	14°C (57°F)	57 mm (2.3 inches)	77%	high
December Weather	7°C (46°F)	48 mm (1.9 inches)	73%	moderate