September Weather in Yadong, China

Last updated: August 22, 2025

The average temperature in Yadong, China during September is a mild 14°C (57°F). However, be prepared for a temperature range that can dip to a chilly -2°C (29°F) at night or soar to a warm 28°C (83°F) during the day. Expect 98 mm (3.8 in) of precipitation spread over approximately 11 days, with an average humidity of 85% adding to the overall atmosphere.

September Temperature in Yadong

In September in Yadong, the average temperature is 14°C (57°F). The maximum can reach 28°C (83°F) and the minimum can be as low as -2°C (29°F). This diverse temperature range makes Yadong a versatile destination for travelers, suitable for both warm and cool weather activities.

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

The chart illustrates September temperature patterns in Yadong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yadong, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Yadong

In Yadong in September, the precipitation amount is 98 mm (3.8 in) over the course of 11 days.

September Precipitation Trends in Yadong

The chart displays monthly precipitation patterns in Yadong, 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 Yadong, September typically receives around 98 mm (3.8 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 Yadong

In Yadong in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Yadong

This chart illustrates the average monthly humidity levels in Yadong, 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 Yadong is approximately 85%, 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 Yadong

In Yadong in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Yadong, you can refer to this Hourly UV Index in Yadong.

Maximum UV Index Levels in Yadong for September

The chart shows the monthly maximum UV Index (UVI) for Yadong 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 Yadong typically reaches 6, which falls under the high exposure category.

Data source: Yadong 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 Yadong Compares to Other Months

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

This table compares monthly weather conditions in Yadong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-1°F)	3 mm (0.1 inches)	87%	low
February Weather	-14°C (7°F)	6 mm (0.2 inches)	84%	moderate
March Weather	-3°C (27°F)	9 mm (0.3 inches)	76%	moderate
April Weather	6°C (43°F)	30 mm (1.2 inches)	67%	high
May Weather	14°C (57°F)	40 mm (1.6 inches)	70%	very high
June Weather	19°C (66°F)	112 mm (4.4 inches)	79%	very high
July Weather	23°C (74°F)	154 mm (6.1 inches)	86%	very high
August Weather	19°C (67°F)	168 mm (6.6 inches)	87%	very high
September Weather	14°C (57°F)	98 mm (3.8 inches)	85%	high
October Weather	4°C (40°F)	29 mm (1.1 inches)	81%	moderate
November Weather	-7°C (20°F)	10 mm (0.4 inches)	73%	low
December Weather	-17°C (1°F)	4 mm (0.2 inches)	84%	low