Weather By Day

September Harrisburg Weather 
September Harrisburg Weather
Record High: 102°F
Normal High: 76°F
Normal Low: 57°F
Record Low: 30°F
Avg Monthly Rain: 3.65"
Rec 1 Day Rain: 4.59"

Harrisburg Weather In September

The highest recorded temperature in September for Harrisburg Pennsylvania for the past 54 years was 102 degrees Fahrenheit, most recently registered on September 2, 1953, and the normal high is 76. The record low September temperature in Harrisburg for the last 54 years was 30 registered on September 23, 1963, while the regular low temperature for a given day during the month is 57.

National Weather Service historical Harrisburg September Weather data indicates that on September 28, 1984, the recorded high did not exceed 48 degrees Fahrenheit, the lowest high measured in Harrisburg in the past 54 years. The Weather Service additionally indicates that on September 18, 1970, the low for the day did not drop below 76 degrees, the highest low recorded in Harrisburg in the last 54 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Harrisburg on September First is 82 degrees Fahrenheit and the average high on the last day of September is 69 degrees. The low measured temperature in Harrisburg on September First averages 62 degrees and the low on the last day of the month averages 51 degrees.

Harrisburg usually receives an average of 3.65 inches of precipitation during the month. The most rain recorded in a single day, as shown by September Harrisburg Weather data, was 4.59 inches on September 26, 1975.