September Weather in Youdian, China

Last updated: August 22, 2025

In September, the average temperature in Youdian, China hovers around 21°C (70°F). You can expect temperatures to range from a cool 13°C (55°F) to a warm 29°C (84°F). With an average precipitation of 189 mm (7.4 in) spread over 27 days, it's a month rich in rain. Additionally, the air carries a high humidity level of 88%, making it feel quite tropical.

September Temperature in Youdian

In September in Youdian, the average temperature is 21°C (70°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 13°C (55°F). This pleasant climate makes Youdian an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Youdian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Youdian, September typically has an average temperature of 21°C (70°F), with highs reaching up to 29°C (84°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Youdian

In Youdian, in September, the precipitation amount is 189 mm (7.4 in) over the course of 27 days.

September Precipitation Trends in Youdian

The chart displays monthly precipitation patterns in Youdian, 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 Youdian, September typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 27 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 Youdian

In Youdian in September, humidity is 88%. With an average temperature of 21°C (70°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and slightly stifling, which can be quite challenging for travelers.

September Average Humidity in Youdian

This chart illustrates the average monthly humidity levels in Youdian, 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 Youdian is approximately 88%, 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 Youdian

In Youdian in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Youdian, you can check here.

Maximum UV Index Levels in Youdian for September

The chart shows the monthly maximum UV Index (UVI) for Youdian 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 Youdian typically reaches 14, which falls under the extreme exposure category.

Data source: Youdian 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 Youdian Compares to Other Months

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

This table compares monthly weather conditions in Youdian, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	41 mm (1.6 inches)	65%	high
February Weather	13°C (55°F)	22 mm (0.9 inches)	69%	very high
March Weather	16°C (61°F)	43 mm (1.7 inches)	44%	extreme
April Weather	18°C (65°F)	83 mm (3.3 inches)	48%	extreme
May Weather	20°C (69°F)	72 mm (2.8 inches)	74%	extreme
June Weather	22°C (71°F)	180 mm (7.1 inches)	88%	extreme
July Weather	21°C (70°F)	351 mm (13.8 inches)	93%	extreme
August Weather	21°C (71°F)	340 mm (13.4 inches)	91%	extreme
September Weather	21°C (70°F)	189 mm (7.4 inches)	88%	extreme
October Weather	19°C (66°F)	126 mm (5.0 inches)	86%	extreme
November Weather	15°C (59°F)	42 mm (1.7 inches)	85%	very high
December Weather	12°C (53°F)	28 mm (1.1 inches)	79%	high