September Weather in Dayun, China

Last updated: August 23, 2025

In September, the average temperature in Dayun, China hovers around 26°C (78°F), offering a pleasant climate. Daytime temperatures can range from a minimum of 16°C (62°F) to a sweltering maximum of 36°C (96°F). Expect 147 mm (5.8 in) of precipitation over 12 days, contributing to an average humidity of 81%. Perfect weather for enjoying the unique beauty of the region!

September Temperature in Dayun

In September in Dayun, the average temperature is 26°C (78°F). Maximum temperatures can reach 36°C (96°F), while minimums can drop to as low as 16°C (62°F). This makes Dayun an ideal destination for travelers looking to enjoy warm weather while still having the option for cooler evenings.

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

The chart illustrates September temperature patterns in Dayun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayun, September typically has an average temperature of 26°C (78°F), with highs reaching up to 36°C (96°F) and lows dropping to around 16°C (62°F).

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

September Precipitation in Dayun

In Dayun in September, the precipitation amount is 147 mm (5.8 in) over a span of 12 days.

September Precipitation Trends in Dayun

The chart displays monthly precipitation patterns in Dayun, 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 Dayun, September typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 12 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 Dayun

In Dayun in September, humidity is 81%. With an average temperature of 26°C (78°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities feel a bit more strenuous and the air heavy, which can be quite challenging for traveling.

September Average Humidity in Dayun

This chart illustrates the average monthly humidity levels in Dayun, 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 Dayun is approximately 81%, 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 Dayun

In Dayun 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 Dayun.

Maximum UV Index Levels in Dayun for September

The chart shows the monthly maximum UV Index (UVI) for Dayun 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 Dayun typically reaches 10, which falls under the very high exposure category.

Data source: Dayun 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 Dayun Compares to Other Months

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

This table compares monthly weather conditions in Dayun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	67 mm (2.6 inches)	70%	moderate
February Weather	7°C (45°F)	74 mm (2.9 inches)	73%	high
March Weather	12°C (54°F)	108 mm (4.2 inches)	81%	very high
April Weather	17°C (62°F)	89 mm (3.5 inches)	87%	very high
May Weather	22°C (72°F)	142 mm (5.6 inches)	87%	extreme
June Weather	25°C (77°F)	282 mm (11.1 inches)	89%	extreme
July Weather	29°C (84°F)	240 mm (9.4 inches)	93%	extreme
August Weather	30°C (86°F)	176 mm (6.9 inches)	91%	extreme
September Weather	26°C (78°F)	147 mm (5.8 inches)	81%	very high
October Weather	20°C (68°F)	51 mm (2.0 inches)	80%	very high
November Weather	15°C (59°F)	52 mm (2.0 inches)	82%	high
December Weather	8°C (47°F)	60 mm (2.4 inches)	77%	moderate