September Weather in Guanmian, China

Last updated: August 22, 2025

In Guanmian, China, the average temperature in September is a pleasant 19°C (67°F). Daily highs can reach up to 29°C (85°F), while the nights can drop to a minimum of 11°C (52°F). Expect substantial rainfall, with an average precipitation of 260 mm (10.2 in) spread over 20 days. The air is quite humid, with an average humidity level of 77%, making it the perfect time to embrace both the warmth and the refreshing showers!

September Temperature in Guanmian

In September in Guanmian, the average temperature is 19°C (67°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 11°C (52°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates September temperature patterns in Guanmian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guanmian, September typically has an average temperature of 19°C (67°F), with highs reaching up to 29°C (85°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Guanmian

In Guanmian in September, the precipitation amount is 260 mm (10.2 in) over a span of 20 days.

September Precipitation Trends in Guanmian

The chart displays monthly precipitation patterns in Guanmian, 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 Guanmian, September typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 20 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 Guanmian

In Guanmian in September, humidity is 77%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel slightly more challenging as the air clings to your skin, turning every step into a leisurely stroll through a sauna.

September Average Humidity in Guanmian

This chart illustrates the average monthly humidity levels in Guanmian, 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 Guanmian is approximately 77%, 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 Guanmian

In Guanmian in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Guanmian.

Maximum UV Index Levels in Guanmian for September

The chart shows the monthly maximum UV Index (UVI) for Guanmian 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 Guanmian typically reaches 12, which falls under the extreme exposure category.

Data source: Guanmian 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 Guanmian Compares to Other Months

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

This table compares monthly weather conditions in Guanmian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	50 mm (2.0 inches)	72%	moderate
February Weather	4°C (39°F)	66 mm (2.6 inches)	76%	high
March Weather	9°C (49°F)	103 mm (4.1 inches)	87%	very high
April Weather	13°C (57°F)	145 mm (5.7 inches)	82%	extreme
May Weather	17°C (63°F)	171 mm (6.7 inches)	83%	extreme
June Weather	20°C (69°F)	289 mm (11.4 inches)	84%	extreme
July Weather	23°C (73°F)	366 mm (14.4 inches)	87%	extreme
August Weather	23°C (74°F)	248 mm (9.8 inches)	85%	extreme
September Weather	19°C (67°F)	260 mm (10.2 inches)	77%	extreme
October Weather	14°C (57°F)	170 mm (6.7 inches)	81%	very high
November Weather	8°C (48°F)	72 mm (2.8 inches)	86%	high
December Weather	3°C (39°F)	41 mm (1.6 inches)	81%	moderate