September Weather in Sanlei, China

Last updated: August 22, 2025

In September, the average temperature in Sanlei, China is a pleasant 18°C (65°F), with temperatures ranging from a cool 5°C (42°F) to a warm 34°C (93°F). Expect about 28 mm (1.1 in) of precipitation spread over 5 days, contributing to an average humidity of 52%. Enjoy the varied weather as you explore this vibrant destination!

September Temperature in Sanlei

In September in Sanlei, the average temperature is 18°C (65°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 5°C (42°F). This makes it a great time to visit, offering warm days for outdoor adventures and cooler evenings for cozy gatherings.

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

The chart illustrates September temperature patterns in Sanlei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanlei, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Sanlei

In Sanlei in September, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

September Precipitation Trends in Sanlei

The chart displays monthly precipitation patterns in Sanlei, 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 Sanlei, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 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 Sanlei

In Sanlei in September humidity is 52%. With average temperature 18°C (65°F), this humidity feels like a refreshing embrace, making it comfortable for traveling and exploring the sights without feeling too sticky or hot.

September Average Humidity in Sanlei

This chart illustrates the average monthly humidity levels in Sanlei, 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 Sanlei is approximately 52%, 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 Sanlei

In Sanlei in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sanlei.

Maximum UV Index Levels in Sanlei for September

The chart shows the monthly maximum UV Index (UVI) for Sanlei 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 Sanlei typically reaches 9, which falls under the very high exposure category.

Data source: Sanlei 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 Sanlei Compares to Other Months

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

This table compares monthly weather conditions in Sanlei, 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 (19°F)	2 mm (0.1 inches)	53%	moderate
February Weather	-3°C (27°F)	1 mm (0.0 inches)	48%	moderate
March Weather	6°C (44°F)	1 mm (0.0 inches)	52%	high
April Weather	13°C (55°F)	12 mm (0.5 inches)	57%	very high
May Weather	19°C (66°F)	10 mm (0.4 inches)	41%	extreme
June Weather	24°C (75°F)	18 mm (0.7 inches)	41%	extreme
July Weather	26°C (79°F)	15 mm (0.6 inches)	38%	extreme
August Weather	23°C (74°F)	37 mm (1.4 inches)	42%	extreme
September Weather	18°C (65°F)	28 mm (1.1 inches)	52%	very high
October Weather	9°C (49°F)	13 mm (0.5 inches)	58%	high
November Weather	1°C (34°F)	2 mm (0.1 inches)	59%	moderate
December Weather	-7°C (20°F)	1 mm (0.0 inches)	60%	moderate