Weather By Day

September Weather In Pittsburgh  
September Pittsburgh Weather
Record High: 97°F
Normal High: 74°F
Normal Low: 54°F
Record Low: 31°F
Avg Monthly Rain: 3.21"
Rec 1 Day Rain: 5.95"

Pittsburgh Weather In September

The highest recorded temperature in September for Pittsburgh Pennsylvania for the past 58 years was 97 degrees Fahrenheit, most recently measured on September 6, 1954, and the mean high is 74. In the last 58 years the highest reported temperature in Pittsburgh for September was 31 on September 18, 1959, and the typical low is 54.

National Weather Service historical Pittsburgh September Weather data indicates that on September 27, 1984, the recorded high did not exceed 50 degrees Fahrenheit, the lowest high measured in Pittsburgh in the past 58 years. Weather Service records additionally show that on September 3, 1953, the recorded low temperature for the day did not drop below 73 degrees, the highest low measured in Pittsburgh in the last 58 years.

NWS data indicates that the daily high temperature in Pittsburgh on September First averages 79 degrees Fahrenheit and the high on the last day of September averages 70 degrees. The average daily low temperature in Pittsburgh on September First is 58 degrees Fahrenheit and the average low on the last day of September is 48 degrees.

Pittsburgh normally receives an average of 3.21 inches of rain during September. According to September Pittsburgh Weather records, the most rain measured in a single day in September was 5.95 inches on September 17, 2004.