September Weather in Mengyin, China

Last updated: August 23, 2025

In September, the average temperature in Mengyin, China hovers around 21°C (71°F), with the possibility of dipping to a minimum of 9°C (49°F) and peaking at a warm 31°C (88°F). Expect about 83 mm (3.2 in) of precipitation over 7 days, contributing to an average humidity of 65%. Enjoy the varying weather as you explore!

September Temperature in Mengyin

In September in Mengyin, the average temperature is 21°C (71°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 9°C (49°F). This range makes it an ideal time to explore outdoor activities while also packing layers for cooler evenings.

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

The chart illustrates September temperature patterns in Mengyin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mengyin, September typically has an average temperature of 21°C (71°F), with highs reaching up to 31°C (88°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Mengyin

In Mengyin in September, the precipitation amount is 83 mm (3.2 in) spread over a duration of 7 days.

September Precipitation Trends in Mengyin

The chart displays monthly precipitation patterns in Mengyin, 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 Mengyin, September typically receives around 83 mm (3.2 inches) of precipitation spread over approximately 7 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 Mengyin

In Mengyin in September humidity is 65%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making outdoor activities pleasant yet requiring occasional breaks in the shade to stay comfortable while exploring.

September Average Humidity in Mengyin

This chart illustrates the average monthly humidity levels in Mengyin, 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 Mengyin is approximately 65%, 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 Mengyin

In Mengyin in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Mengyin.

Maximum UV Index Levels in Mengyin for September

The chart shows the monthly maximum UV Index (UVI) for Mengyin 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 Mengyin typically reaches 9, which falls under the very high exposure category.

Data source: Mengyin 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 Mengyin Compares to Other Months

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

This table compares monthly weather conditions in Mengyin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	16 mm (0.6 inches)	52%	moderate
February Weather	2°C (36°F)	21 mm (0.8 inches)	60%	moderate
March Weather	8°C (47°F)	26 mm (1.0 inches)	70%	high
April Weather	13°C (57°F)	43 mm (1.7 inches)	78%	very high
May Weather	20°C (67°F)	52 mm (2.1 inches)	74%	very high
June Weather	24°C (75°F)	84 mm (3.3 inches)	74%	very high
July Weather	26°C (79°F)	189 mm (7.4 inches)	84%	very high
August Weather	25°C (78°F)	217 mm (8.6 inches)	81%	very high
September Weather	21°C (71°F)	83 mm (3.2 inches)	65%	very high
October Weather	14°C (57°F)	30 mm (1.2 inches)	72%	high
November Weather	8°C (46°F)	30 mm (1.2 inches)	81%	moderate
December Weather	1°C (34°F)	11 mm (0.4 inches)	71%	moderate