September Weather in Haicheng, China

Last updated: August 22, 2025

In September, the average temperature in Haicheng, China is a warm 28°C (82°F), with minimums dipping to 21°C (70°F) and maximums soaring up to 35°C (95°F). Expect 180 mm (7.1 in) of precipitation over 20 days, coupled with an average humidity of 71%, creating a tropical atmosphere perfect for exploration.

September Temperature in Haicheng

In September, in Haicheng, the average temperature is 28°C (82°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 21°C (70°F). It's an ideal time to enjoy outdoor activities and experience the vibrant culture of Haicheng.

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 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°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 180 mm (7.1 in) over the course of 20 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 180 mm (7.1 inches) of precipitation spread over approximately 20 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 71%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that can make your travels feel heavy and sticky, as the air clings to you and makes every step a bit more laborious.

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 71%, 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 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme 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	16°C (61°F)	24 mm (0.9 inches)	71%	high
February Weather	16°C (61°F)	49 mm (1.9 inches)	73%	very high
March Weather	20°C (68°F)	66 mm (2.6 inches)	79%	extreme
April Weather	22°C (72°F)	97 mm (3.8 inches)	80%	extreme
May Weather	26°C (79°F)	183 mm (7.2 inches)	85%	extreme
June Weather	28°C (82°F)	368 mm (14.5 inches)	81%	extreme
July Weather	28°C (83°F)	225 mm (8.9 inches)	85%	extreme
August Weather	28°C (83°F)	353 mm (13.9 inches)	83%	extreme
September Weather	28°C (82°F)	180 mm (7.1 inches)	71%	extreme
October Weather	24°C (76°F)	116 mm (4.6 inches)	70%	very high
November Weather	21°C (70°F)	30 mm (1.2 inches)	72%	very high
December Weather	17°C (63°F)	25 mm (1.0 inches)	75%	high