September Weather in Longtan, China

Last updated: August 22, 2025

The average temperature in Longtan, China during September is a pleasant 24°C (76°F). Visitors can expect a minimum of 16°C (60°F) and a maximum of 37°C (98°F). With an average humidity of 70%, the air feels comfortably warm, though it’s good to be prepared for some rain—121 mm (4.8 in) over about 12 days. So pack your bags accordingly!

September Temperature in Longtan

In September in Longtan, the average temperature is 24°C (76°F). Maximums can reach 37°C (98°F), while minimums can dip as low as 16°C (60°F). This makes it an ideal time for travelers seeking warm weather, so pack your summer clothes and enjoy the sun!

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

The chart illustrates September temperature patterns in Longtan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longtan, September typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (60°F).

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

September Precipitation in Longtan

In Longtan in September, the precipitation amount reaches 121 mm (4.8 in) over the course of 12 days.

September Precipitation Trends in Longtan

The chart displays monthly precipitation patterns in Longtan, 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 Longtan, September typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 12 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 Longtan

In Longtan in September, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

September Average Humidity in Longtan

This chart illustrates the average monthly humidity levels in Longtan, 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 Longtan is approximately 70%, 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 Longtan

In Longtan 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 Longtan.

Maximum UV Index Levels in Longtan for September

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

Data source: Longtan 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 Longtan Compares to Other Months

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

This table compares monthly weather conditions in Longtan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	65 mm (2.6 inches)	71%	high
February Weather	8°C (46°F)	72 mm (2.8 inches)	75%	high
March Weather	13°C (56°F)	151 mm (6.0 inches)	86%	very high
April Weather	17°C (64°F)	138 mm (5.5 inches)	86%	very high
May Weather	22°C (71°F)	168 mm (6.6 inches)	86%	extreme
June Weather	25°C (78°F)	197 mm (7.8 inches)	87%	extreme
July Weather	28°C (83°F)	189 mm (7.5 inches)	89%	extreme
August Weather	29°C (84°F)	152 mm (6.0 inches)	86%	extreme
September Weather	24°C (76°F)	121 mm (4.8 inches)	70%	very high
October Weather	18°C (64°F)	81 mm (3.2 inches)	72%	very high
November Weather	13°C (56°F)	67 mm (2.7 inches)	82%	high
December Weather	8°C (46°F)	42 mm (1.6 inches)	76%	moderate