September Weather in Long'an, China

Last updated: August 22, 2025

In September, the average temperature in Long'an, China hovers around 25°C (78°F), making it a pleasant time to visit. Expect temperatures to range from a cool 14°C (58°F) at night to a warm 36°C (97°F) during the day. However, don’t forget your umbrella; the month sees 103 mm (4.1 in) of precipitation spread over 15 days. With an average humidity of 62%, it’s best to stay hydrated and embrace the warmth!

September Temperature in Long'an

In September in Long'an, the average temperature is 25°C (78°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 14°C (58°F). This makes it an ideal time for travelers to enjoy warm days and cooler nights, perfect for outdoor adventures.

September Weather in Long'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Long'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long'an, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in Long'an

In Long'an in September, the precipitation amount is 103 mm (4.1 in) during a span of 15 days.

September Precipitation Trends in Long'an

The chart displays monthly precipitation patterns in Long'an, 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 Long'an, September typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 15 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 Long'an

In Long'an in September, humidity is 62%. With an average temperature of 25°C (78°F), this humidity feels like a warm, balmy embrace, making travel enjoyable yet slightly sticky.

September Average Humidity in Long'an

This chart illustrates the average monthly humidity levels in Long'an, 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 Long'an is approximately 62%, 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 Long'an

In Long'an in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Long'an.

Maximum UV Index Levels in Long'an for September

The chart shows the monthly maximum UV Index (UVI) for Long'an 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 Long'an typically reaches 11, which falls under the extreme exposure category.

Data source: Long'an 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 Long'an Compares to Other Months

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

This table compares monthly weather conditions in Long'an, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	54 mm (2.1 inches)	64%	high
February Weather	10°C (50°F)	106 mm (4.2 inches)	69%	very high
March Weather	14°C (58°F)	195 mm (7.7 inches)	79%	extreme
April Weather	18°C (65°F)	193 mm (7.6 inches)	81%	extreme
May Weather	23°C (73°F)	276 mm (10.9 inches)	86%	extreme
June Weather	25°C (78°F)	360 mm (14.2 inches)	83%	extreme
July Weather	28°C (82°F)	162 mm (6.4 inches)	89%	extreme
August Weather	27°C (82°F)	171 mm (6.8 inches)	84%	extreme
September Weather	25°C (78°F)	103 mm (4.1 inches)	62%	extreme
October Weather	20°C (68°F)	37 mm (1.4 inches)	64%	very high
November Weather	15°C (59°F)	76 mm (3.0 inches)	72%	very high
December Weather	10°C (49°F)	43 mm (1.7 inches)	76%	high