September Weather in Cumberland, United States

Last updated: June 24, 2025

In Cumberland, United States, the average temperature in September is a pleasant 20°C (68°F), making it an inviting time to explore. Temperatures can range from a cool 6°C (43°F) to a warm 32°C (91°F), offering a delightful variety. Expect about 109 mm (4.3 in) of precipitation spread over 11 days, and with an average humidity of 67%, you'll want to enjoy the refreshing atmosphere while staying comfortable!

September Temperature in Cumberland

In September in Cumberland, the average temperature is 20°C (68°F). Maximums can reach 32°C (91°F), while minimums can be as low as 6°C (43°F). This climate makes Cumberland an ideal destination for travelers looking to enjoy mild temperatures and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Cumberland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cumberland, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (91°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Cumberland

In Cumberland in September, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

September Precipitation Trends in Cumberland

The chart displays monthly precipitation patterns in Cumberland, 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 Cumberland, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 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 Cumberland

In Cumberland in September humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

September Average Humidity in Cumberland

This chart illustrates the average monthly humidity levels in Cumberland, 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 Cumberland is approximately 67%, 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 Cumberland

In Cumberland 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 Cumberland.

Maximum UV Index Levels in Cumberland for September

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

Data source: Cumberland 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 Cumberland Compares to Other Months

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

This table compares monthly weather conditions in Cumberland, 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)	96 mm (3.8 inches)	88%	moderate
February Weather	5°C (42°F)	189 mm (7.4 inches)	88%	high
March Weather	8°C (47°F)	140 mm (5.5 inches)	87%	high
April Weather	12°C (55°F)	159 mm (6.3 inches)	84%	very high
May Weather	18°C (64°F)	146 mm (5.8 inches)	84%	extreme
June Weather	21°C (70°F)	144 mm (5.7 inches)	83%	extreme
July Weather	23°C (74°F)	133 mm (5.2 inches)	79%	extreme
August Weather	22°C (72°F)	140 mm (5.5 inches)	66%	very high
September Weather	20°C (68°F)	109 mm (4.3 inches)	67%	very high
October Weather	15°C (59°F)	136 mm (5.4 inches)	76%	high
November Weather	7°C (45°F)	79 mm (3.1 inches)	89%	moderate
December Weather	5°C (41°F)	132 mm (5.2 inches)	88%	moderate