Cincinnati - Recent September Temperatures and Rainfall

The numbers here describe what the September weather in Cincinnati, Ohio was like for every year since 2010. A series of tables gives September data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each September. Then there's information on how much rain actually landed this month during recent years, as well as how often Cincinnati had wet weather.

The climate data come from weather measurements made at Cincinnati/Northern Kentucky International Airport.

Temperature Weather iconTemperature

September temperature averages by year in Cincinnati
High °F Low °F Year High °C Low °C
81 59 2023 27 15
78 59 2022 25 15
80 60 2021 27 16
78 58 2020 26 14
87 64 2019 31 18
80 63 2018 27 17
78 57 2017 26 14
83 61 2016 28 16
81 59 2015 27 15
78 56 2014 25 14
79 59 2013 26 15
77 56 2012 25 13
74 57 2011 23 14
83 57 2010 28 14
Number of days in September when the temperature in Cincinnati rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2023 30 4
2022 25 1
2021 29 0
2020 27 1
2019 30 9
2018 27 8
2017 24 3
2016 27 5
2015 28 7
2014 25 0
2013 27 2
2012 24 1
2011 17 3
2010 28 9

Rainy Weather iconRain

This table gives the total precipitation that fell on Cincinnati during September in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for September in Cincinnati
Days Year Inches Milli­metres
6 2023 0.9 24
11 2022 1.9 49
11 2021 2.7 69
4 2020 1.6 41
2 2019 0.6 15
11 2018 6.8 172
7 2017 2.4 61
10 2016 2.5 63
10 2015 2.0 51
6 2014 3.2 81
9 2013 3.7 93
12 2012 7.2 182
20 2011 7.5 191
5 2010 0.6 14
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Cincinnati - Recent Years
Cincinnati - Extremes
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