September Weather in Ciyun, China

Last updated: August 23, 2025

In September, the average temperature in Ciyun, China hovers around 24°C (75°F). However, be prepared for a range, as temperatures can dip to a minimum of 17°C (63°F) and soar up to 37°C (99°F). Expect 153 mm (6.0 in) of precipitation spread over 17 days, accompanied by an average humidity level of 84%.

September Temperature in Ciyun

In September in Ciyun, the average temperature is 24°C (75°F). Maximums can reach 37°C (99°F), and minimums can be as low as 17°C (63°F). This makes it an ideal time to enjoy outdoor activities and explore the vibrant surroundings.

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

The chart illustrates September temperature patterns in Ciyun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ciyun, September typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Ciyun

In Ciyun in September, the precipitation amount is 153 mm (6.0 in) spread over 17 days.

September Precipitation Trends in Ciyun

The chart displays monthly precipitation patterns in Ciyun, 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 Ciyun, September typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 17 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 Ciyun

In Ciyun in September humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.

September Average Humidity in Ciyun

This chart illustrates the average monthly humidity levels in Ciyun, 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 Ciyun is approximately 84%, 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 Ciyun

In Ciyun 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 Ciyun.

Maximum UV Index Levels in Ciyun for September

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

Data source: Ciyun 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 Ciyun Compares to Other Months

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

This table compares monthly weather conditions in Ciyun, 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 (47°F)	35 mm (1.4 inches)	72%	moderate
February Weather	10°C (50°F)	35 mm (1.4 inches)	76%	high
March Weather	15°C (60°F)	62 mm (2.5 inches)	80%	very high
April Weather	19°C (66°F)	95 mm (3.7 inches)	77%	very high
May Weather	22°C (72°F)	134 mm (5.3 inches)	82%	extreme
June Weather	25°C (76°F)	154 mm (6.1 inches)	85%	extreme
July Weather	28°C (83°F)	172 mm (6.8 inches)	85%	extreme
August Weather	29°C (84°F)	200 mm (7.9 inches)	87%	extreme
September Weather	24°C (75°F)	153 mm (6.0 inches)	84%	very high
October Weather	18°C (64°F)	107 mm (4.2 inches)	81%	very high
November Weather	13°C (56°F)	48 mm (1.9 inches)	86%	high
December Weather	9°C (49°F)	38 mm (1.5 inches)	81%	moderate