September Weather in Sundu, China

Last updated: August 22, 2025

In September, the average temperature in Sundu, China reaches a warm 27°C (81°F), providing a pleasant backdrop for outdoor activities. Expect temperatures to vary from a minimum of 17°C (63°F) to a maximum of 37°C (100°F). With 79 mm (3.1 in) of precipitation spread over 9 days, prepare for occasional showers. Humidity averages a comfortable 73%, making for a refreshing climate overall.

September Temperature in Sundu

In September in Sundu, the average temperature is 27°C (81°F), with maximums reaching up to 37°C (100°F) and minimums dropping as low as 17°C (63°F). This warm climate makes Sundu an ideal destination for those looking to enjoy outdoor activities and sunny adventures.

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

The chart illustrates September temperature patterns in Sundu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sundu, September typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (100°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Sundu

In Sundu in September, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

September Precipitation Trends in Sundu

The chart displays monthly precipitation patterns in Sundu, 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 Sundu, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 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 Sundu

In Sundu in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

September Average Humidity in Sundu

This chart illustrates the average monthly humidity levels in Sundu, 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 Sundu is approximately 73%, 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 Sundu

In Sundu 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 Sundu.

Maximum UV Index Levels in Sundu for September

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

Data source: Sundu 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 Sundu Compares to Other Months

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

This table compares monthly weather conditions in Sundu, 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 (46°F)	60 mm (2.4 inches)	69%	high
February Weather	9°C (49°F)	84 mm (3.3 inches)	73%	high
March Weather	15°C (58°F)	211 mm (8.3 inches)	82%	very high
April Weather	19°C (67°F)	184 mm (7.2 inches)	86%	very high
May Weather	24°C (76°F)	236 mm (9.3 inches)	86%	extreme
June Weather	27°C (81°F)	359 mm (14.1 inches)	86%	extreme
July Weather	30°C (87°F)	219 mm (8.6 inches)	90%	extreme
August Weather	31°C (88°F)	97 mm (3.8 inches)	86%	extreme
September Weather	27°C (81°F)	79 mm (3.1 inches)	73%	extreme
October Weather	21°C (70°F)	36 mm (1.4 inches)	73%	very high
November Weather	15°C (60°F)	66 mm (2.6 inches)	80%	high
December Weather	9°C (49°F)	49 mm (1.9 inches)	79%	moderate