September Weather in Haicheng, China

Last updated: August 22, 2025

In September, the average temperature in Haicheng, China is a pleasant 20°C (68°F), with a minimum of 6°C (43°F) and a maximum reaching up to 31°C (88°F). Be prepared for some rain, as 93 mm (3.7 in) of precipitation is expected over 8 days. The air will feel quite humid, with an average humidity level of 75%. Enjoy your time in this vibrant locale!

September Temperature in Haicheng

In September in Haicheng, the average temperature is 20°C (68°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 6°C (43°F). It's an ideal time to visit for those who enjoy mild weather with a chance of warmer days.

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

The chart illustrates September temperature patterns in Haicheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haicheng, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Haicheng

In Haicheng in September, the total precipitation amount is 93 mm (3.7 in) over the course of 8 days.

September Precipitation Trends in Haicheng

The chart displays monthly precipitation patterns in Haicheng, 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 Haicheng, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 8 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 Haicheng

In Haicheng in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

September Average Humidity in Haicheng

This chart illustrates the average monthly humidity levels in Haicheng, 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 Haicheng is approximately 75%, 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 Haicheng

In Haicheng in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Haicheng.

Maximum UV Index Levels in Haicheng for September

The chart shows the monthly maximum UV Index (UVI) for Haicheng 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 Haicheng typically reaches 7, which falls under the high exposure category.

Data source: Haicheng 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 Haicheng Compares to Other Months

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

This table compares monthly weather conditions in Haicheng, 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 (18°F)	5 mm (0.2 inches)	58%	low
February Weather	-4°C (24°F)	9 mm (0.4 inches)	52%	moderate
March Weather	4°C (40°F)	16 mm (0.6 inches)	53%	high
April Weather	12°C (54°F)	26 mm (1.0 inches)	59%	high
May Weather	18°C (65°F)	66 mm (2.6 inches)	70%	very high
June Weather	23°C (73°F)	71 mm (2.8 inches)	79%	very high
July Weather	26°C (79°F)	85 mm (3.4 inches)	85%	extreme
August Weather	25°C (77°F)	185 mm (7.3 inches)	86%	very high
September Weather	20°C (68°F)	93 mm (3.7 inches)	75%	high
October Weather	11°C (53°F)	52 mm (2.1 inches)	80%	high
November Weather	3°C (38°F)	35 mm (1.4 inches)	70%	moderate
December Weather	-5°C (23°F)	8 mm (0.3 inches)	58%	low