September Weather in Heqian, China

Last updated: August 23, 2025

In September, the average temperature in Heqian, China is a pleasant 21°C (70°F). Visitors can expect a minimum of 12°C (54°F) and a maximum of 31°C (89°F). Be prepared for rainfall, as the region experiences about 272 mm (10.7 in) of precipitation over 18 days. With an average humidity of 77%, the weather tends to feel quite tropical.

September Temperature in Heqian

In September in Heqian, the average temperature is 21°C (70°F). Maximums can reach 31°C (89°F) while minimums can drop as low as 12°C (54°F). This mild climate makes Heqian an ideal destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates September temperature patterns in Heqian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heqian, September typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (89°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Heqian

In Heqian in September, the precipitation amount is 272 mm (10.7 in), occurring over 18 days.

September Precipitation Trends in Heqian

The chart displays monthly precipitation patterns in Heqian, 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 Heqian, September typically receives around 272 mm (10.7 inches) of precipitation spread over approximately 18 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 Heqian

In Heqian in September, humidity is 77%. With an average temperature of 21°C (70°F), this humidity feels like a warm, slightly sticky embrace, making travel invigorating yet slightly uncomfortable as you navigate the vibrant streets and outdoor attractions.

September Average Humidity in Heqian

This chart illustrates the average monthly humidity levels in Heqian, 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 Heqian is approximately 77%, 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 Heqian

In Heqian 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 Heqian.

Maximum UV Index Levels in Heqian for September

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

Data source: Heqian 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 Heqian Compares to Other Months

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

This table compares monthly weather conditions in Heqian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	55 mm (2.1 inches)	72%	moderate
February Weather	6°C (43°F)	69 mm (2.7 inches)	76%	high
March Weather	11°C (52°F)	104 mm (4.1 inches)	87%	very high
April Weather	15°C (59°F)	144 mm (5.7 inches)	82%	extreme
May Weather	19°C (66°F)	169 mm (6.6 inches)	83%	extreme
June Weather	22°C (72°F)	256 mm (10.1 inches)	84%	extreme
July Weather	25°C (76°F)	340 mm (13.4 inches)	87%	extreme
August Weather	25°C (78°F)	201 mm (7.9 inches)	85%	extreme
September Weather	21°C (70°F)	272 mm (10.7 inches)	77%	extreme
October Weather	15°C (60°F)	196 mm (7.7 inches)	81%	very high
November Weather	10°C (50°F)	78 mm (3.1 inches)	86%	high
December Weather	5°C (42°F)	47 mm (1.9 inches)	81%	moderate