September Weather in Hongyan, China

Last updated: August 22, 2025

In Hongyan, China, the average temperature in September hovers around 13°C (56°F), offering a mild climate. Temperatures can vary significantly, with a minimum of -1°C (30°F) and a maximum of 28°C (82°F). Expect 98 mm (3.8 in) of precipitation spread over 12 days, while the high average humidity of 85% adds to the atmosphere.

September Temperature in Hongyan

In September in Hongyan, the average temperature is 13°C (56°F). Maximums can reach 28°C (82°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling to Hongyan during this month.

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

The chart illustrates September temperature patterns in Hongyan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongyan, September typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (30°F).

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

September Precipitation in Hongyan

In Hongyan in September, the precipitation amount is 98 mm (3.8 in) spread over 12 days.

September Precipitation Trends in Hongyan

The chart displays monthly precipitation patterns in Hongyan, 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 Hongyan, September typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 12 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 Hongyan

In Hongyan in September humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

September Average Humidity in Hongyan

This chart illustrates the average monthly humidity levels in Hongyan, 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 Hongyan 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 Hongyan

In Hongyan 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 Hongyan, you can refer to this Hourly UV Index in Hongyan.

Maximum UV Index Levels in Hongyan for September

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

Data source: Hongyan 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 Hongyan Compares to Other Months

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

This table compares monthly weather conditions in Hongyan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-21°C (-6°F)	4 mm (0.1 inches)	87%	low
February Weather	-17°C (2°F)	5 mm (0.2 inches)	84%	low
March Weather	-5°C (23°F)	12 mm (0.5 inches)	76%	moderate
April Weather	5°C (41°F)	21 mm (0.8 inches)	67%	moderate
May Weather	13°C (55°F)	49 mm (1.9 inches)	70%	high
June Weather	18°C (65°F)	128 mm (5.0 inches)	79%	very high
July Weather	22°C (72°F)	156 mm (6.1 inches)	86%	very high
August Weather	19°C (66°F)	198 mm (7.8 inches)	87%	very high
September Weather	13°C (56°F)	98 mm (3.8 inches)	85%	high
October Weather	3°C (38°F)	35 mm (1.4 inches)	81%	moderate
November Weather	-8°C (17°F)	14 mm (0.6 inches)	73%	low
December Weather	-20°C (-4°F)	4 mm (0.2 inches)	84%	low