September Weather in Shippensburg, United States

Last updated: June 24, 2025

The average temperature in Shippensburg, United States during September is a pleasant 20°C (69°F). However, temperatures can vary significantly, with a minimum of 3°C (38°F) and a maximum of 34°C (93°F). Expect around 126 mm (5.0 in) of precipitation over 9 days, and enjoy an average humidity level of 68%.

September Temperature in Shippensburg

In September in Shippensburg, the average temperature is 20°C (69°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures can drop to as low as 3°C (38°F). Overall, this month offers a pleasant range of temperatures, making it a wonderful time for outdoor activities and exploration in Shippensburg.

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

The chart illustrates September temperature patterns in Shippensburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shippensburg, September typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Shippensburg

In Shippensburg in September, the precipitation amount is 126 mm (5.0 in) spread over 9 days.

September Precipitation Trends in Shippensburg

The chart displays monthly precipitation patterns in Shippensburg, 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 Shippensburg, September typically receives around 126 mm (5.0 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 Shippensburg

In Shippensburg in September, humidity is 68%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making outdoor exploration both refreshing and slightly sticky, requiring occasional breaks in the shade to stay comfortable while traveling.

September Average Humidity in Shippensburg

This chart illustrates the average monthly humidity levels in Shippensburg, 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 Shippensburg is approximately 68%, 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 Shippensburg

In Shippensburg 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 Shippensburg.

Maximum UV Index Levels in Shippensburg for September

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

Data source: Shippensburg 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 Shippensburg Compares to Other Months

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

This table compares monthly weather conditions in Shippensburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	63 mm (2.5 inches)	86%	moderate
February Weather	2°C (36°F)	101 mm (4.0 inches)	86%	moderate
March Weather	6°C (42°F)	93 mm (3.7 inches)	86%	high
April Weather	11°C (53°F)	106 mm (4.2 inches)	84%	very high
May Weather	17°C (63°F)	124 mm (4.9 inches)	78%	very high
June Weather	22°C (72°F)	95 mm (3.7 inches)	79%	very high
July Weather	25°C (77°F)	136 mm (5.4 inches)	70%	very high
August Weather	24°C (75°F)	100 mm (3.9 inches)	59%	very high
September Weather	20°C (69°F)	126 mm (5.0 inches)	68%	very high
October Weather	14°C (58°F)	107 mm (4.2 inches)	80%	high
November Weather	6°C (43°F)	84 mm (3.3 inches)	86%	moderate
December Weather	3°C (37°F)	92 mm (3.6 inches)	85%	low