September Weather in Dayan, China

Last updated: August 22, 2025

In September, the average temperature in Dayan, China is a pleasant 24°C (76°F). You'll experience a range from a refreshing 15°C (59°F) at its coolest to a toasty 36°C (97°F) at its warmest. Expect to see 158 mm (6.2 in) of precipitation spread over about 15 days, accompanied by an average humidity level of 78%. Ideal for those who enjoy a warm tropical atmosphere!

September Temperature in Dayan

In September in Dayan, the average temperature is 24°C (76°F). Maximums can reach 36°C (97°F), and minimums can be as low as 15°C (59°F). This makes Dayan a delightful destination for travelers seeking warm weather and comfortable evenings.

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

The chart illustrates September temperature patterns in Dayan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayan, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Dayan

In Dayan in September, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

September Precipitation Trends in Dayan

The chart displays monthly precipitation patterns in Dayan, 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 Dayan, September typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 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 Dayan

In Dayan in September, humidity is 78%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel sticky and uncomfortable, potentially leading to fatigue for travelers.

September Average Humidity in Dayan

This chart illustrates the average monthly humidity levels in Dayan, 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 Dayan is approximately 78%, 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 Dayan

In Dayan 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 Dayan.

Maximum UV Index Levels in Dayan for September

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

Data source: Dayan 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 Dayan Compares to Other Months

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

This table compares monthly weather conditions in Dayan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	65 mm (2.5 inches)	68%	high
February Weather	7°C (45°F)	71 mm (2.8 inches)	73%	high
March Weather	12°C (54°F)	120 mm (4.7 inches)	80%	very high
April Weather	16°C (62°F)	96 mm (3.8 inches)	86%	very high
May Weather	21°C (70°F)	190 mm (7.5 inches)	88%	extreme
June Weather	24°C (75°F)	353 mm (13.9 inches)	89%	extreme
July Weather	28°C (82°F)	321 mm (12.6 inches)	91%	extreme
August Weather	28°C (83°F)	226 mm (8.9 inches)	88%	extreme
September Weather	24°C (76°F)	158 mm (6.2 inches)	78%	extreme
October Weather	19°C (66°F)	107 mm (4.2 inches)	79%	very high
November Weather	14°C (57°F)	68 mm (2.7 inches)	80%	high
December Weather	8°C (46°F)	63 mm (2.5 inches)	80%	moderate