September Weather in Decheng, China

Last updated: August 22, 2025

In September, the average temperature in Decheng, China is a warm 27°C (81°F), with daily lows dipping to 20°C (68°F) and soaring up to 35°C (96°F). Visitors can expect about 166 mm (6.5 in) of precipitation over 20 days, accompanied by an average humidity of 72%. Be prepared for a mix of sun and rain during your stay!

September Temperature in Decheng

In September in Decheng, the average temperature is 27°C (81°F). Maximums can reach 35°C (96°F) and minimums can be as low as 20°C (68°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing in Decheng.

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

The chart illustrates September temperature patterns in Decheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Decheng, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 20°C (68°F).

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

September Precipitation in Decheng

In Decheng in September, the precipitation amount is 166 mm (6.5 in) over the course of 20 days.

September Precipitation Trends in Decheng

The chart displays monthly precipitation patterns in Decheng, 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 Decheng, September typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 20 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 Decheng

In Decheng in September humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.

September Average Humidity in Decheng

This chart illustrates the average monthly humidity levels in Decheng, 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 Decheng is approximately 72%, 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 Decheng

In Decheng 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 Decheng.

Maximum UV Index Levels in Decheng for September

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

Data source: Decheng 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 Decheng Compares to Other Months

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

This table compares monthly weather conditions in Decheng, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	40 mm (1.6 inches)	59%	high
February Weather	15°C (59°F)	79 mm (3.1 inches)	64%	very high
March Weather	19°C (67°F)	141 mm (5.6 inches)	65%	extreme
April Weather	22°C (71°F)	177 mm (7.0 inches)	62%	extreme
May Weather	26°C (79°F)	179 mm (7.1 inches)	76%	extreme
June Weather	28°C (82°F)	279 mm (11.0 inches)	76%	extreme
July Weather	29°C (84°F)	169 mm (6.6 inches)	87%	extreme
August Weather	28°C (83°F)	243 mm (9.6 inches)	88%	extreme
September Weather	27°C (81°F)	166 mm (6.5 inches)	72%	extreme
October Weather	23°C (74°F)	85 mm (3.3 inches)	62%	very high
November Weather	20°C (68°F)	28 mm (1.1 inches)	62%	very high
December Weather	15°C (59°F)	24 mm (1.0 inches)	66%	high