September Weather in Longtan, China

Last updated: August 22, 2025

In September, the average temperature in Longtan, China hovers around 26°C (80°F), with a minimum of 17°C (63°F) and a sweltering maximum of 35°C (95°F). Expect 184 mm (7.3 in) of precipitation spread over 20 days, contributing to an average humidity of 75%. Prepare for a warm and humid month!

September Temperature in Longtan

In September in Longtan, the average temperature is 26°C (80°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 17°C (63°F). This makes it a great time to explore Longtan while enjoying warm weather and pleasant evenings.

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 26°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 17°C (63°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 total precipitation amount is 184 mm (7.3 in) spread over a period of 20 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 184 mm (7.3 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 Longtan

In Longtan in September humidity is 75%. With an average temperature of 26°C (80°F), this humidity feels like a warm, muggy embrace, making travel a bit sticky and uncomfortable but also inviting you to slow down and savor the local culture in shaded cafes and breezy spots by the water.

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 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 Longtan

In Longtan 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 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 12, which falls under the extreme 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	13°C (56°F)	47 mm (1.8 inches)	64%	high
February Weather	14°C (57°F)	94 mm (3.7 inches)	68%	very high
March Weather	18°C (65°F)	172 mm (6.8 inches)	73%	extreme
April Weather	21°C (69°F)	187 mm (7.4 inches)	71%	extreme
May Weather	24°C (76°F)	242 mm (9.5 inches)	79%	extreme
June Weather	26°C (80°F)	374 mm (14.7 inches)	77%	extreme
July Weather	27°C (82°F)	192 mm (7.5 inches)	88%	extreme
August Weather	27°C (81°F)	284 mm (11.2 inches)	88%	extreme
September Weather	26°C (80°F)	184 mm (7.3 inches)	75%	extreme
October Weather	23°C (73°F)	78 mm (3.1 inches)	65%	very high
November Weather	19°C (66°F)	31 mm (1.2 inches)	64%	very high
December Weather	14°C (57°F)	26 mm (1.0 inches)	69%	high