September Weather in Hekou, China

Last updated: August 23, 2025

In September, the average temperature in Hekou, China is a pleasant 21°C (69°F), with comfortable lows of 13°C (55°F) and highs reaching up to 32°C (90°F). Expect 201 mm (7.9 in) of precipitation spread over 20 days, contributing to an average humidity of 71%. Ideal weather for those who enjoy a blend of warmth and refreshing rain!

September Temperature in Hekou

In September in Hekou, the average temperature is 21°C (69°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 13°C (55°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy moderate weather and comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Hekou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hekou, September typically has an average temperature of 21°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Hekou

In Hekou in September, the precipitation amount is 201 mm (7.9 in) over the course of 20 days.

September Precipitation Trends in Hekou

The chart displays monthly precipitation patterns in Hekou, 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 Hekou, September typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 20 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 Hekou

In Hekou in September, humidity is 71%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, wrapping around you as you explore the sights, making it essential to stay hydrated and take breaks in shaded areas.

September Average Humidity in Hekou

This chart illustrates the average monthly humidity levels in Hekou, 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 Hekou 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 Hekou

In Hekou in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hekou.

Maximum UV Index Levels in Hekou for September

The chart shows the monthly maximum UV Index (UVI) for Hekou 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 Hekou typically reaches 10, which falls under the very high exposure category.

Data source: Hekou 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 Hekou Compares to Other Months

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

This table compares monthly weather conditions in Hekou, 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)	65 mm (2.6 inches)	67%	high
February Weather	6°C (43°F)	75 mm (2.9 inches)	73%	high
March Weather	11°C (52°F)	141 mm (5.5 inches)	84%	very high
April Weather	15°C (59°F)	130 mm (5.1 inches)	82%	extreme
May Weather	19°C (66°F)	218 mm (8.6 inches)	86%	extreme
June Weather	22°C (72°F)	237 mm (9.3 inches)	86%	extreme
July Weather	25°C (77°F)	187 mm (7.4 inches)	88%	extreme
August Weather	25°C (77°F)	171 mm (6.7 inches)	85%	extreme
September Weather	21°C (69°F)	201 mm (7.9 inches)	71%	very high
October Weather	15°C (59°F)	146 mm (5.7 inches)	74%	very high
November Weather	10°C (51°F)	95 mm (3.7 inches)	85%	high
December Weather	5°C (42°F)	55 mm (2.2 inches)	75%	moderate