September Weather in Hongdun, China

Last updated: August 23, 2025

In Hongdun, China, the average temperature in September hovers around 27°C (80°F). Expect a minimum of 16°C (60°F) and a maximum reaching 38°C (100°F). During this time, precipitation averages 108 mm (4.2 in) over 12 days, creating a dynamic climate experience. With an average humidity of 67%, the atmosphere is both warm and inviting.

September Temperature in Hongdun

In September in Hongdun, the average temperature is 27°C (80°F). Maximums can reach 38°C (100°F), while minimums can dip as low as 16°C (60°F). Be prepared for warm weather, and pack lighter clothing for daytime adventures while bringing a light jacket for cooler evenings.

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

The chart illustrates September temperature patterns in Hongdun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongdun, September typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 16°C (60°F).

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

September Precipitation in Hongdun

In Hongdun in September, the total precipitation amount is 108 mm (4.2 in) spread over 12 days.

September Precipitation Trends in Hongdun

The chart displays monthly precipitation patterns in Hongdun, 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 Hongdun, September typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 12 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 Hongdun

In Hongdun in September, humidity is 67%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travel slightly more challenging but also invigorating, as the air clings to your skin, urging you to seek shade and plenty of hydration.

September Average Humidity in Hongdun

This chart illustrates the average monthly humidity levels in Hongdun, 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 Hongdun is approximately 67%, 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 Hongdun

In Hongdun 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 Hongdun.

Maximum UV Index Levels in Hongdun for September

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

Data source: Hongdun 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 Hongdun Compares to Other Months

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

This table compares monthly weather conditions in Hongdun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	55 mm (2.2 inches)	66%	high
February Weather	11°C (53°F)	104 mm (4.1 inches)	71%	very high
March Weather	15°C (60°F)	183 mm (7.2 inches)	81%	extreme
April Weather	19°C (67°F)	163 mm (6.4 inches)	84%	extreme
May Weather	23°C (74°F)	244 mm (9.6 inches)	87%	extreme
June Weather	26°C (79°F)	390 mm (15.4 inches)	84%	extreme
July Weather	29°C (84°F)	152 mm (6.0 inches)	88%	extreme
August Weather	29°C (84°F)	174 mm (6.9 inches)	85%	extreme
September Weather	27°C (80°F)	108 mm (4.2 inches)	67%	extreme
October Weather	22°C (71°F)	43 mm (1.7 inches)	72%	very high
November Weather	16°C (62°F)	74 mm (2.9 inches)	77%	very high
December Weather	11°C (52°F)	42 mm (1.6 inches)	80%	high