September Weather in Sanyuan, China

Last updated: August 22, 2025

In September, the average temperature in Sanyuan, China is a pleasant 24°C (75°F), with temperatures ranging from a cool 16°C (60°F) to a warm 36°C (97°F). Expect some rain during this period, with precipitation levels reaching 141 mm (5.6 in) over approximately 16 days. Additionally, the average humidity sits at a comfortable 71%, making for a refreshing climate overall.

September Temperature in Sanyuan

In September in Sanyuan, the average temperature is 24°C (75°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 16°C (60°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Sanyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanyuan, September typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (60°F).

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

September Precipitation in Sanyuan

In Sanyuan in September, the precipitation amount is 141 mm (5.6 in) over the course of 16 days.

September Precipitation Trends in Sanyuan

The chart displays monthly precipitation patterns in Sanyuan, 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 Sanyuan, September typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Sanyuan

In Sanyuan in September, humidity is 71%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities for traveling both refreshing and sometimes a bit stifling, prompting travelers to seek shaded spots or refreshing drinks while exploring.

September Average Humidity in Sanyuan

This chart illustrates the average monthly humidity levels in Sanyuan, 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 Sanyuan is approximately 71%, 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 Sanyuan

In Sanyuan 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 Sanyuan.

Maximum UV Index Levels in Sanyuan for September

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

Data source: Sanyuan 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 Sanyuan Compares to Other Months

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

This table compares monthly weather conditions in Sanyuan, 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 (46°F)	37 mm (1.5 inches)	67%	moderate
February Weather	9°C (49°F)	56 mm (2.2 inches)	73%	high
March Weather	14°C (58°F)	103 mm (4.0 inches)	84%	very high
April Weather	18°C (65°F)	133 mm (5.2 inches)	82%	very high
May Weather	21°C (71°F)	180 mm (7.1 inches)	86%	extreme
June Weather	25°C (77°F)	167 mm (6.6 inches)	86%	extreme
July Weather	28°C (82°F)	197 mm (7.7 inches)	88%	extreme
August Weather	29°C (84°F)	150 mm (5.9 inches)	85%	extreme
September Weather	24°C (75°F)	141 mm (5.6 inches)	71%	very high
October Weather	18°C (65°F)	122 mm (4.8 inches)	74%	very high
November Weather	13°C (56°F)	74 mm (2.9 inches)	85%	high
December Weather	9°C (48°F)	39 mm (1.5 inches)	75%	moderate