September Weather in Yili, China

Last updated: August 22, 2025

In September, the average temperature in Yili, China is a mild 19°C (66°F). Temperatures can fluctuate dramatically, with a minimum of 0°C (33°F) and a scorching maximum of 37°C (99°F). Expect some light rain, with an average precipitation of 13 mm (0.5 in) over 2 days. The humidity holds steady at about 60%, making for a comfortable atmosphere.

September Temperature in Yili

In September, in Yili, the average temperature is 19°C (66°F). Maximums can reach 37°C (99°F) and minimums can be as low as 0°C (33°F). When traveling to Yili during this time, it's advisable to prepare for a wide range of temperatures.

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

The chart illustrates September temperature patterns in Yili, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yili, September typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (99°F) and lows dropping to around 0°C (33°F).

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

September Precipitation in Yili

In Yili in September, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

September Precipitation Trends in Yili

The chart displays monthly precipitation patterns in Yili, 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 Yili, September typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 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 Yili

In Yili in September, humidity is 60%. With an average temperature of 19°C (66°F), this humidity feels like a warm, slightly sticky embrace, making traveling enjoyable yet necessitating occasional breaks to stay refreshed.

September Average Humidity in Yili

This chart illustrates the average monthly humidity levels in Yili, 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 Yili is approximately 60%, 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 Yili

In Yili 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 Yili.

Maximum UV Index Levels in Yili for September

The chart shows the monthly maximum UV Index (UVI) for Yili 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 Yili typically reaches 7, which falls under the high exposure category.

Data source: Yili 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 Yili Compares to Other Months

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

This table compares monthly weather conditions in Yili, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	10 mm (0.4 inches)	90%	low
February Weather	-2°C (28°F)	22 mm (0.8 inches)	85%	moderate
March Weather	6°C (44°F)	26 mm (1.0 inches)	82%	high
April Weather	15°C (59°F)	36 mm (1.4 inches)	70%	high
May Weather	20°C (69°F)	30 mm (1.2 inches)	68%	very high
June Weather	24°C (75°F)	22 mm (0.9 inches)	61%	very high
July Weather	27°C (80°F)	21 mm (0.8 inches)	60%	very high
August Weather	24°C (76°F)	27 mm (1.0 inches)	61%	very high
September Weather	19°C (66°F)	13 mm (0.5 inches)	60%	high
October Weather	10°C (51°F)	24 mm (1.0 inches)	74%	moderate
November Weather	2°C (36°F)	21 mm (0.8 inches)	80%	moderate
December Weather	-4°C (26°F)	15 mm (0.6 inches)	88%	low