September Weather in Sanyuanchang, China

Last updated: August 22, 2025

In Sanyuanchang, China during September, the average temperature hovers around 21°C (70°F), making it a pleasant time to visit. Expect a minimum of 13°C (55°F) and a maximum of 33°C (91°F), offering a range that suits various preferences. Be prepared for some rain, as the region receives an average precipitation of 165 mm (6.5 in) over approximately 18 days, contributing to a high humidity level of 84%.

September Temperature in Sanyuanchang

In September in Sanyuanchang, the average temperature is 21°C (70°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 13°C (55°F). It's a great time to visit, as you can enjoy warm days while still having cooler evenings to explore and relax.

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

The chart illustrates September temperature patterns in Sanyuanchang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanyuanchang, September typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Sanyuanchang

In Sanyuanchang in September, the precipitation amount is 165 mm (6.5 in) over a period of 18 days.

September Precipitation Trends in Sanyuanchang

The chart displays monthly precipitation patterns in Sanyuanchang, 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 Sanyuanchang, September typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 18 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 Sanyuanchang

In Sanyuanchang in September, humidity is 84%. With an average temperature of 21°C (70°F), this humidity feels like thick, warm air wrapping around you, making outdoor activities quite uncomfortable and necessitating frequent hydration breaks for a more enjoyable travel experience.

September Average Humidity in Sanyuanchang

This chart illustrates the average monthly humidity levels in Sanyuanchang, 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 Sanyuanchang is approximately 84%, 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 Sanyuanchang

In Sanyuanchang 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 Sanyuanchang.

Maximum UV Index Levels in Sanyuanchang for September

The chart shows the monthly maximum UV Index (UVI) for Sanyuanchang 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 Sanyuanchang typically reaches 11, which falls under the extreme exposure category.

Data source: Sanyuanchang 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 Sanyuanchang Compares to Other Months

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

This table compares monthly weather conditions in Sanyuanchang, 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 (42°F)	68 mm (2.7 inches)	72%	high
February Weather	7°C (45°F)	70 mm (2.7 inches)	76%	very high
March Weather	12°C (55°F)	90 mm (3.5 inches)	80%	very high
April Weather	16°C (61°F)	120 mm (4.7 inches)	77%	extreme
May Weather	19°C (66°F)	141 mm (5.6 inches)	82%	extreme
June Weather	22°C (72°F)	190 mm (7.5 inches)	85%	extreme
July Weather	25°C (77°F)	142 mm (5.6 inches)	85%	extreme
August Weather	25°C (78°F)	128 mm (5.1 inches)	87%	extreme
September Weather	21°C (70°F)	165 mm (6.5 inches)	84%	extreme
October Weather	15°C (60°F)	144 mm (5.7 inches)	81%	very high
November Weather	11°C (52°F)	76 mm (3.0 inches)	86%	high
December Weather	6°C (43°F)	53 mm (2.1 inches)	81%	moderate