September Weather in Longtan, China

Last updated: August 22, 2025

The average temperature in Longtan, China during September is a comfortable 22°C (72°F), with fluctuations ranging from a chilly 8°C (47°F) to a warm 36°C (98°F). Expect around 63 mm (2.5 in) of precipitation spread over 5 days, and enjoy an average humidity of 66%.

September Temperature in Longtan

In September in Longtan, the average temperature is 22°C (72°F). Maximums can reach 36°C (98°F), and minimums can drop as low as 8°C (47°F). Be prepared for a range of temperatures and pack accordingly for your trip!

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 22°C (72°F), with highs reaching up to 36°C (98°F) and lows dropping to around 8°C (47°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 is 63 mm (2.5 in) spread over a period of 5 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 63 mm (2.5 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Longtan

In Longtan in September, humidity is 66%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, enveloping blanket, making it essential to stay hydrated while exploring the sights and taking regular breaks in shaded areas.

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 66%, 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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. 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 7, which falls under the 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	-4°C (26°F)	1 mm (0.0 inches)	40%	low
February Weather	0°C (31°F)	7 mm (0.3 inches)	41%	moderate
March Weather	8°C (46°F)	15 mm (0.6 inches)	48%	moderate
April Weather	16°C (60°F)	19 mm (0.8 inches)	61%	very high
May Weather	22°C (72°F)	19 mm (0.7 inches)	58%	very high
June Weather	27°C (81°F)	43 mm (1.7 inches)	64%	very high
July Weather	27°C (82°F)	202 mm (8.0 inches)	78%	very high
August Weather	26°C (79°F)	128 mm (5.0 inches)	78%	very high
September Weather	22°C (72°F)	63 mm (2.5 inches)	66%	high
October Weather	13°C (56°F)	31 mm (1.2 inches)	70%	high
November Weather	5°C (41°F)	14 mm (0.6 inches)	68%	moderate
December Weather	-2°C (28°F)	2 mm (0.1 inches)	51%	low