September Weather in Plymouth Meeting, United States

Last updated: June 24, 2025

In September, the average temperature in Plymouth Meeting, United States is a pleasant 22°C (71°F). However, be prepared for a wide range, as temperatures can drop to a minimum of 6°C (44°F) and soar to a maximum of 35°C (95°F). During this time, expect around 93 mm (3.7 in) of precipitation spread over 10 days, contributing to an average humidity of 75%. Stay comfortable and enjoy the climate!

September Temperature in Plymouth Meeting

In September in Plymouth Meeting, the average temperature is 22°C (71°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 6°C (44°F). This makes it an ideal destination for travelers seeking a warm climate with comfortable temperatures during the day and cooler evenings.

September Weather in Plymouth Meeting: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Plymouth Meeting, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plymouth Meeting, September typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (44°F).

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

September Precipitation in Plymouth Meeting

In Plymouth Meeting in September, the precipitation amount is 93 mm (3.7 in) over the course of 10 days.

September Precipitation Trends in Plymouth Meeting

The chart displays monthly precipitation patterns in Plymouth Meeting, 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 Plymouth Meeting, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 10 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 Plymouth Meeting

In Plymouth Meeting in September, humidity is 75%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making traveling a bit sticky but also invigorating, as the air surrounds you with a heavy yet refreshing sensation that highlights the vibrant atmosphere of your surroundings.

September Average Humidity in Plymouth Meeting

This chart illustrates the average monthly humidity levels in Plymouth Meeting, 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 Plymouth Meeting is approximately 75%, 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 Plymouth Meeting

In Plymouth Meeting in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Plymouth Meeting.

Maximum UV Index Levels in Plymouth Meeting for September

The chart shows the monthly maximum UV Index (UVI) for Plymouth Meeting 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 Plymouth Meeting typically reaches 8, which falls under the very high exposure category.

Data source: Plymouth Meeting 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 Plymouth Meeting Compares to Other Months

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

This table compares monthly weather conditions in Plymouth Meeting, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	63 mm (2.5 inches)	84%	moderate
February Weather	4°C (39°F)	108 mm (4.3 inches)	83%	moderate
March Weather	7°C (44°F)	107 mm (4.2 inches)	83%	high
April Weather	12°C (55°F)	105 mm (4.1 inches)	81%	very high
May Weather	18°C (65°F)	133 mm (5.2 inches)	78%	very high
June Weather	23°C (74°F)	102 mm (4.0 inches)	79%	very high
July Weather	26°C (79°F)	131 mm (5.2 inches)	74%	very high
August Weather	25°C (77°F)	134 mm (5.3 inches)	72%	very high
September Weather	22°C (71°F)	93 mm (3.7 inches)	75%	very high
October Weather	16°C (61°F)	106 mm (4.2 inches)	81%	high
November Weather	8°C (47°F)	83 mm (3.3 inches)	85%	moderate
December Weather	4°C (40°F)	100 mm (4.0 inches)	84%	moderate