Weather By Day

September Youngstown Weather 
September Youngstown Weather
Record High: 99°F
Normal High: 72°F
Normal Low: 51°F
Record Low: 27°F
Avg Monthly Rain: 3.89"
Rec 1 Day Rain: 4.09"

Youngstown Weather In September

The hottest September day in Youngstown for the past 67 years was 99 degrees Fahrenheit, most recently encountered on September 5, 1954, and the mean high is 72. The lowest documented temperature in September for Youngstown for the past 67 years was 27 most recently registered on September 30, 1942, while the standard low daily temperature for the month is 51.

According to National Weather Service historical Youngstown September Weather data, on September 29, 1967, the high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Youngstown in the past 67 years. The Weather Service additionally shows that on September 10, 1941, the low for the day did not drop below 73 degrees, the highest low temperature in Youngstown in the last 67 years.

National Weather Service records indicate that the high temperature in Youngstown on September First averages 78 degrees and the high on the last day of the month averages 68 degrees. The low measured temperature in Youngstown on September First averages 57 degrees and the low on the last day of the month averages 46 degrees.

Youngstown normally receives an average of 3.89 inches of rain during September. The most rain recorded in a single day, as shown by September Youngstown Weather data, was 4.09 inches on September 8, 2004.