September Weather in Hekou, China

Last updated: August 22, 2025

In Hekou, China, the average temperature in September hovers around 25°C (77°F), providing a warm and inviting climate. Temperatures can vary, with a minimum of 18°C (64°F) and a maximum of 34°C (93°F). However, be prepared for some rain, as the region experiences about 193 mm (7.6 in) of precipitation over 20 days. This contributes to an average humidity of 81%, creating a lush and vibrant atmosphere perfect for exploration.

September Temperature in Hekou

In September in Hekou, the average temperature is 25°C (77°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 18°C (64°F). This pleasant climate makes Hekou an ideal destination for travelers seeking comfortable weather for 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 25°C (77°F), with highs reaching up to 34°C (93°F) and lows dropping to around 18°C (64°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 193 mm (7.6 in) spread over a total 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 193 mm (7.6 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 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

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 81%, 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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For 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 13, which falls under the extreme 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	15°C (59°F)	109 mm (4.3 inches)	57%	very high
February Weather	16°C (60°F)	105 mm (4.1 inches)	67%	very high
March Weather	19°C (67°F)	167 mm (6.6 inches)	58%	extreme
April Weather	22°C (72°F)	195 mm (7.7 inches)	53%	extreme
May Weather	25°C (77°F)	160 mm (6.3 inches)	69%	extreme
June Weather	27°C (81°F)	202 mm (7.9 inches)	83%	extreme
July Weather	26°C (80°F)	225 mm (8.8 inches)	90%	extreme
August Weather	26°C (80°F)	313 mm (12.3 inches)	90%	extreme
September Weather	25°C (77°F)	193 mm (7.6 inches)	81%	extreme
October Weather	22°C (72°F)	217 mm (8.6 inches)	75%	extreme
November Weather	19°C (66°F)	100 mm (3.9 inches)	74%	very high
December Weather	15°C (59°F)	97 mm (3.8 inches)	69%	high