Weather By Day

September Cincinnati Weather 
September Cincinnati Weather
Record High: 101°F
Normal High: 78°F
Normal Low: 57°F
Record Low: 32°F
Avg Monthly Rain: 2.82"
Rec 1 Day Rain: 3.39"

Cincinnati Weather In September

The highest recorded temperature for Cincinnati for the past 49 years in September was 101 degrees Fahrenheit, registered on September 6, 1954, while the average high temperature is 78. The lowest documented temperature in September for Cincinnati for the past 49 years was 32 registered on September 28, 1942, and the typical low is 57.

According to National Weather Service Cincinnati September Weather data, on September 28, 1967, the recorded high temperature did not exceed 46 degrees Fahrenheit, the lowest high measured in Cincinnati in the past 49 years. Weather Service records also indicate that on September 17, 1931, the low temperature for the day was not measured below 76 degrees, the highest low measured in Cincinnati in the last 49 years.

NWS data indicates that the daily high temperature in Cincinnati on September First averages 84 degrees Fahrenheit and the high on the last day of September averages 73 degrees. The low temperature in Cincinnati in September on the first day of the month averages 63 degrees and the low temperature on the last day of the month averages 51 degrees.

Cincinnati usually receives an average of 2.82 inches of rain during September. The most precipitation measured in a single day, as indicated by September Cincinnati Weather data, was 3.39 inches on September 26, 1971.