Cincinnati September Weather

Averages and records for weather in Cincinnati, Ohio in the month of September.
Typical Cincinnati September Weather
1991–2020
Average daily high 78.7 °F
Average daily low 57.4 °F
Average monthly precipitation 3.1 inches
Average monthly snow none
Daily chance of precipitation 27.8%
Daily chance of snow 0%
Cincinnati September Weather Records
1916–2024
Highest temperature 102 °F September 2, 1953
Lowest temperature 31 °F September 30, 1993
Highest daily low 76 °F September 22, 1931
Lowest daily high 49 °F September 30, 1924
Hottest average high temperature 87.1 °F 2019
Coldest average high temperature 70.6 °F 1918
Most daily precipitation 3.9 inches September 8, 2018
Most monthly precipitation 8.6 inches 1979
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
September 1 83.0 62.4 102 45
September 2 82.8 62.2 102 45
September 3 82.6 61.9 100 49
September 4 82.4 61.6 96 45
September 5 82.2 61.3 100 44
September 6 82.0 61.1 101 43
September 7 81.7 60.9 99 41
September 8 81.5 60.5 101 44
September 9 81.1 60.2 99 43
September 10 80.8 59.8 98 42
September 11 80.4 59.4 96 40
September 12 80.0 59.0 94 42
September 13 79.6 58.6 98 40
September 14 79.3 58.2 99 37
September 15 78.9 57.7 97 41
September 16 78.5 57.2 94 40
September 17 78.1 56.7 94 41
September 18 77.8 56.3 95 40
September 19 77.4 56.0 94 39
September 20 77.1 55.7 94 39
September 21 76.7 55.3 97 35
September 22 76.4 54.9 94 34
September 23 76.1 54.5 95 34
September 24 75.8 54.1 94 33
September 25 75.4 53.7 93 35
September 26 75.0 53.4 89 33
September 27 74.7 53.0 91 37
September 28 74.3 52.6 93 32
September 29 73.9 52.2 97 33
September 30 73.5 51.9 94 31
Weather Station Details
Years Station Coordinates
1948–2024 Cincinnati/Northern Kentucky International Airport location
1916–1947 Cincinnati location