September Weather in Chetian, China

Last updated: August 22, 2025

In September, the average temperature in Chetian, China is a pleasant 21°C (71°F). Expect lows of 13°C (56°F) and highs reaching up to 33°C (91°F). With 189 mm (7.4 in) of precipitation spread over 19 days, it's wise to prepare for some wet weather. The average humidity sits at a comfortable 71%, making it an ideal time to explore the beauty of this region.

September Temperature in Chetian

In September in Chetian, the average temperature is 21°C (71°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while comfortably exploring the area.

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

The chart illustrates September temperature patterns in Chetian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chetian, September typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Chetian

In Chetian in September, the precipitation amount is 189 mm (7.4 in) spread across 19 days.

September Precipitation Trends in Chetian

The chart displays monthly precipitation patterns in Chetian, 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 Chetian, September typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 19 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 Chetian

In Chetian in September humidity is 71%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it important for travelers to stay hydrated and seek shade during the hottest parts of the day.

September Average Humidity in Chetian

This chart illustrates the average monthly humidity levels in Chetian, 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 Chetian is approximately 71%, 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 Chetian

In Chetian 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 Chetian.

Maximum UV Index Levels in Chetian for September

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

Data source: Chetian 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 Chetian Compares to Other Months

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

This table compares monthly weather conditions in Chetian, 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 (40°F)	63 mm (2.5 inches)	67%	high
February Weather	6°C (43°F)	78 mm (3.1 inches)	73%	high
March Weather	11°C (52°F)	151 mm (5.9 inches)	84%	very high
April Weather	15°C (60°F)	149 mm (5.8 inches)	82%	extreme
May Weather	19°C (67°F)	261 mm (10.3 inches)	86%	extreme
June Weather	23°C (73°F)	279 mm (11.0 inches)	86%	extreme
July Weather	25°C (78°F)	301 mm (11.9 inches)	88%	extreme
August Weather	26°C (79°F)	175 mm (6.9 inches)	85%	extreme
September Weather	21°C (71°F)	189 mm (7.4 inches)	71%	extreme
October Weather	16°C (60°F)	124 mm (4.9 inches)	74%	very high
November Weather	11°C (52°F)	96 mm (3.8 inches)	85%	high
December Weather	6°C (43°F)	54 mm (2.1 inches)	75%	moderate