Weather By Day

September Weather In Dayton  
September Dayton Weather
Record High: 102°F
Normal High: 76°F
Normal Low: 55°F
Record Low: 29°F
Avg Monthly Rain: 2.65"
Rec 1 Day Rain: 4.65"

Dayton Weather In September

The record high temperature in Dayton for the last 67 years in September was 102 degrees Fahrenheit, on September 5, 1899, while the regular high temperature is 76. The lowest measured temperature in Dayton for the last 67 years in September was 29 measured on September 23, 1913, while the average low temperature is 55.

United States National Weather Service historical Dayton September weather data indicates that on September 29, 1967, the measured high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Dayton in the past 67 years. NWS data also shows that on September 7, 1990, the lowest measured temperature on that day did not drop below 77 degrees, the highest low temperature measured in Dayton in the last 67 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Dayton on September First is 84 degrees Fahrenheit and the average high on the last day of September is 72 degrees. The low temperature in Dayton in September on the first day of the month averages 61 degrees and the low temperature on the last day of the month averages 49 degrees.

Dayton receives an average of 2.65 inches of precipitation during September. According to September Dayton Weather records, the most rain measured in a single day in September was 4.65 inches on September 14, 1979.