September Weather in Longcheng, China

Last updated: August 22, 2025

In September, the average temperature in Longcheng, China hovers around 19°C (66°F), providing a comfortable climate for outdoor activities. Expect cooling temperatures that can dip to a minimum of 10°C (50°F), while the warmest days may reach up to 27°C (81°F). Keep in mind, this month experiences precipitation averaging 193 mm (7.6 in) over approximately 22 days, so come prepared! With an average humidity of 85%, it’s best to stay hydrated and enjoy the lush surroundings.

September Temperature in Longcheng

In September in Longcheng, the average temperature is 19°C (66°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 10°C (50°F). This comfortable climate makes Longcheng an ideal destination for travelers seeking a pleasant getaway.

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

The chart illustrates September temperature patterns in Longcheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longcheng, September typically has an average temperature of 19°C (66°F), with highs reaching up to 27°C (81°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Longcheng

In Longcheng in September, the precipitation amount is 193 mm (7.6 in) over the course of 22 days.

September Precipitation Trends in Longcheng

The chart displays monthly precipitation patterns in Longcheng, 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 Longcheng, September typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 22 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 Longcheng

In Longcheng in September humidity is 85%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make outdoor adventures feel more exhausting, as the air weighs heavy and every step can feel like a mini workout.

September Average Humidity in Longcheng

This chart illustrates the average monthly humidity levels in Longcheng, 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 Longcheng is approximately 85%, 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 Longcheng

In Longcheng 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 Longcheng.

Maximum UV Index Levels in Longcheng for September

The chart shows the monthly maximum UV Index (UVI) for Longcheng 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 Longcheng typically reaches 13, which falls under the extreme exposure category.

Data source: Longcheng 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 Longcheng Compares to Other Months

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

This table compares monthly weather conditions in Longcheng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	42 mm (1.7 inches)	56%	very high
February Weather	11°C (52°F)	29 mm (1.1 inches)	69%	very high
March Weather	15°C (60°F)	33 mm (1.3 inches)	54%	extreme
April Weather	17°C (63°F)	85 mm (3.4 inches)	54%	extreme
May Weather	20°C (68°F)	88 mm (3.5 inches)	69%	extreme
June Weather	21°C (70°F)	270 mm (10.6 inches)	85%	extreme
July Weather	20°C (69°F)	272 mm (10.7 inches)	89%	extreme
August Weather	20°C (69°F)	269 mm (10.6 inches)	90%	extreme
September Weather	19°C (66°F)	193 mm (7.6 inches)	85%	extreme
October Weather	16°C (61°F)	109 mm (4.3 inches)	80%	extreme
November Weather	13°C (55°F)	37 mm (1.4 inches)	83%	very high
December Weather	9°C (49°F)	28 mm (1.1 inches)	74%	high