September Weather in Longchi, China

Last updated: August 22, 2025

In September, the average temperature in Longchi, China is a pleasant 23°C (74°F). Expect a range between a minimum of 12°C (54°F) and a maximum of 33°C (91°F). During this time, you can anticipate around 59 mm (2.3 in) of precipitation spread over 5 days, contributing to an average humidity level of 58%.

September Temperature in Longchi

In September in Longchi, the average temperature is 23°C (74°F). Maximums can reach 33°C (91°F) and minimums can be as low as 12°C (54°F). This climate makes Longchi an ideal destination for travelers looking to enjoy warm days and cool evenings.

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

The chart illustrates September temperature patterns in Longchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longchi, September typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Longchi

In Longchi in September, the precipitation amount is 59 mm (2.3 in) over the course of 5 days.

September Precipitation Trends in Longchi

The chart displays monthly precipitation patterns in Longchi, 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 Longchi, September typically receives around 59 mm (2.3 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 Longchi

In Longchi in September, humidity is 58%. With an average temperature of 23°C (74°F), this humidity feels like a warm, inviting embrace, making traveling enjoyable yet slightly sticky.

September Average Humidity in Longchi

This chart illustrates the average monthly humidity levels in Longchi, 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 Longchi is approximately 58%, 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 Longchi

In Longchi in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Longchi.

Maximum UV Index Levels in Longchi for September

The chart shows the monthly maximum UV Index (UVI) for Longchi 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 Longchi typically reaches 8, which falls under the very high exposure category.

Data source: Longchi 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 Longchi Compares to Other Months

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

This table compares monthly weather conditions in Longchi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	10 mm (0.4 inches)	42%	moderate
February Weather	2°C (36°F)	15 mm (0.6 inches)	49%	moderate
March Weather	9°C (48°F)	21 mm (0.8 inches)	57%	high
April Weather	14°C (58°F)	37 mm (1.5 inches)	71%	very high
May Weather	21°C (69°F)	61 mm (2.4 inches)	65%	very high
June Weather	25°C (78°F)	77 mm (3.0 inches)	66%	very high
July Weather	27°C (82°F)	132 mm (5.2 inches)	79%	very high
August Weather	27°C (81°F)	183 mm (7.2 inches)	75%	very high
September Weather	23°C (74°F)	59 mm (2.3 inches)	58%	very high
October Weather	16°C (60°F)	26 mm (1.0 inches)	67%	high
November Weather	9°C (49°F)	26 mm (1.0 inches)	77%	moderate
December Weather	2°C (35°F)	11 mm (0.4 inches)	62%	moderate