September Weather in Longcheng, China

Last updated: August 22, 2025

In September, the average temperature in Longcheng, China reaches a warm 27°C (81°F), with daily fluctuations that can drop to a minimum of 18°C (64°F) and peak at 35°C (96°F). Expect a significant amount of rain, with 147 mm (5.8 in) of precipitation over 19 days, contributing to an average humidity of 75%. A cozy, tropical atmosphere awaits!

September Temperature in Longcheng

In September in Longcheng, the average temperature is 27°C (81°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 18°C (64°F). This comfortable climate makes Longcheng an ideal destination for travelers looking to enjoy outdoor activities.

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 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 18°C (64°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 147 mm (5.8 in) spread over 19 days, indicating a relatively wet period for the region.

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 147 mm (5.8 inches) of precipitation spread over approximately 19 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 75%. With an average temperature of 27°C (81°F), this humidity feels like a blanket of warmth enveloping you, making outdoor activities sticky and potentially uncomfortable for traveling.

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 75%, 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 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 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 12, 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	14°C (57°F)	40 mm (1.6 inches)	64%	high
February Weather	15°C (59°F)	85 mm (3.4 inches)	68%	very high
March Weather	19°C (66°F)	156 mm (6.1 inches)	73%	extreme
April Weather	21°C (71°F)	172 mm (6.8 inches)	71%	extreme
May Weather	25°C (78°F)	207 mm (8.2 inches)	79%	extreme
June Weather	27°C (81°F)	349 mm (13.7 inches)	77%	extreme
July Weather	28°C (83°F)	174 mm (6.8 inches)	88%	extreme
August Weather	28°C (82°F)	270 mm (10.6 inches)	88%	extreme
September Weather	27°C (81°F)	147 mm (5.8 inches)	75%	extreme
October Weather	23°C (74°F)	69 mm (2.7 inches)	65%	very high
November Weather	19°C (67°F)	27 mm (1.1 inches)	64%	very high
December Weather	14°C (58°F)	27 mm (1.1 inches)	69%	high