September Weather in Kaiyuan, China

Last updated: August 22, 2025

In September, the average temperature in Kaiyuan, China hovers around 19°C (66°F), offering a pleasant climate for outdoor activities. Temperatures can vary significantly, ranging from a chilly 9°C (48°F) to a warm 31°C (89°F). During this month, expect about 110 mm (4.3 in) of precipitation spread over 10 days, contributing to an average humidity level of 65%. Whether you’re exploring or relaxing, this month’s weather presents a unique experience!

September Temperature in Kaiyuan

In September in Kaiyuan, the average temperature is 19°C (66°F), with maximums reaching 31°C (89°F) and minimums dipping as low as 9°C (48°F). This pleasant weather makes it an ideal time for traveling, allowing for a variety of outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Kaiyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaiyuan, September typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 9°C (48°F).

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

September Precipitation in Kaiyuan

In Kaiyuan in September, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.

September Precipitation Trends in Kaiyuan

The chart displays monthly precipitation patterns in Kaiyuan, 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 Kaiyuan, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 10 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 Kaiyuan

In Kaiyuan in September humidity is 65%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making outdoor activities refreshing but slightly sticky, so it's advisable to stay hydrated and take breaks in shaded areas while exploring.

September Average Humidity in Kaiyuan

This chart illustrates the average monthly humidity levels in Kaiyuan, 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 Kaiyuan is approximately 65%, 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 Kaiyuan

In Kaiyuan 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 Kaiyuan.

Maximum UV Index Levels in Kaiyuan for September

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

Data source: Kaiyuan 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 Kaiyuan Compares to Other Months

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

This table compares monthly weather conditions in Kaiyuan, 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 (29°F)	10 mm (0.4 inches)	55%	moderate
February Weather	1°C (34°F)	16 mm (0.6 inches)	63%	moderate
March Weather	8°C (46°F)	22 mm (0.9 inches)	71%	high
April Weather	13°C (55°F)	57 mm (2.2 inches)	76%	very high
May Weather	18°C (65°F)	55 mm (2.1 inches)	70%	very high
June Weather	23°C (73°F)	93 mm (3.7 inches)	72%	very high
July Weather	24°C (75°F)	236 mm (9.3 inches)	82%	extreme
August Weather	23°C (74°F)	182 mm (7.2 inches)	78%	very high
September Weather	19°C (66°F)	110 mm (4.3 inches)	65%	very high
October Weather	12°C (53°F)	52 mm (2.0 inches)	73%	high
November Weather	6°C (44°F)	17 mm (0.7 inches)	77%	moderate
December Weather	0°C (32°F)	8 mm (0.3 inches)	70%	moderate