September Weather in Yi Xian, China

Last updated: August 22, 2025

In September, the average temperature in Yi Xian, China hovers around 21°C (71°F), making it a pleasant time to explore. However, be prepared for temperature fluctuations, as the minimum can drop to 8°C (46°F), while the maximum can soar to 34°C (94°F). Expect 57 mm (2.3 in) of precipitation over 5 days, contributing to an average humidity level of 66%.

September Temperature in Yi Xian

In September in Yi Xian, the average temperature is 21°C (71°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 8°C (46°F). This makes it an ideal time for travelers who enjoy mild weather with some warm days perfect for outdoor activities.

September Weather in Yi Xian: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Yi Xian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yi Xian, September typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Yi Xian

In Yi Xian in September, the total precipitation amount is 57 mm (2.3 in) accumulated over 5 days.

September Precipitation Trends in Yi Xian

The chart displays monthly precipitation patterns in Yi Xian, 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 Yi Xian, September typically receives around 57 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 Yi Xian

In Yi Xian in September, humidity is 66%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities a bit taxing but also lends a vibrant energy to the atmosphere, ideal for those who appreciate a tropical ambiance while exploring.

September Average Humidity in Yi Xian

This chart illustrates the average monthly humidity levels in Yi Xian, 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 Yi Xian 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 Yi Xian

In Yi Xian 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 Yi Xian.

Maximum UV Index Levels in Yi Xian for September

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

Data source: Yi Xian 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 Yi Xian Compares to Other Months

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

This table compares monthly weather conditions in Yi Xian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	2 mm (0.1 inches)	40%	low
February Weather	0°C (32°F)	6 mm (0.2 inches)	41%	moderate
March Weather	8°C (46°F)	15 mm (0.6 inches)	48%	high
April Weather	15°C (59°F)	28 mm (1.1 inches)	61%	very high
May Weather	21°C (70°F)	28 mm (1.1 inches)	58%	very high
June Weather	26°C (78°F)	47 mm (1.8 inches)	64%	very high
July Weather	27°C (80°F)	189 mm (7.4 inches)	78%	very high
August Weather	26°C (78°F)	143 mm (5.6 inches)	78%	very high
September Weather	21°C (71°F)	57 mm (2.3 inches)	66%	very high
October Weather	13°C (55°F)	44 mm (1.7 inches)	70%	high
November Weather	5°C (42°F)	14 mm (0.6 inches)	68%	moderate
December Weather	-2°C (29°F)	2 mm (0.1 inches)	51%	low