Average September Temperature in Cincinnati by Year

This page contains a list of the average monthly high and low temperatures in Cincinnati, Ohio for the month of September each year between 1916 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Cincinnati?

2019 was the warmest September in the history of Cincinnati, Ohio. The average daily high temperature was 87.1 °F, and the average low was 63.7 °F.

What Was the Coldest September Ever in Cincinnati?

1918 was the coolest September in the history of Cincinnati, Ohio. The average daily high temperature was 70.6 °F, and the average low was 49.2 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	32	80.6	59.4
2022	50	77.6	58.6
2021	29	80.0	60.2
2020	51	78.1	57.8
2019	1	87.1	63.7
2018	12	80.1	63.4
2017	55	78.2	57.2
2016	9	82.5	61.3
2015	27	81.2	59.3
2014	68	77.5	56.4
2013	40	78.9	58.6
2012	76	76.5	55.7
2011	86	73.7	57.1
2010	30	83.2	57.0
2009	54	76.6	59.1
2008	18	82.4	59.6
2007	6	85.7	60.1
2006	99	73.1	55.1
2005	21	81.6	60.0
2004	47	79.0	58.0
2003	94	74.6	55.0
2002	13	82.8	60.4
2001	96	74.5	54.7
2000	93	74.8	54.9
1999	70	81.9	51.6
1998	14	84.1	59.0
1997	85	77.3	53.9
1996	88	75.5	55.2
1995	81	76.5	54.9
1994	82	76.2	55.2
1993	100	73.5	54.3
1992	97	74.4	54.6
1991	45	78.6	58.5
1990	57	77.1	58.2
1989	74	75.1	57.7
1988	63	78.1	56.3
1987	49	80.3	56.2
1986	31	79.4	60.7
1985	58	79.9	55.1
1984	83	76.2	55.1
1983	62	79.4	54.9
1982	69	76.3	57.5
1981	91	76.1	54.2
1980	44	79.2	58.0
1979	77	75.5	56.7
1978	22	82.4	59.1
1977	33	79.3	60.2
1976	102	74.9	52.3
1975	105	72.7	52.1
1974	107	71.0	52.0
1973	36	79.8	59.4
1972	41	77.9	59.4
1971	28	78.5	62.0
1970	3	84.6	62.7
1969	72	77.2	55.7
1968	59	78.2	56.5
1967	89	77.2	53.3
1966	71	76.4	56.6
1965	65	75.5	58.7
1964	64	80.7	53.5
1963	84	80.1	51.2
1962	103	75.9	51.1
1961	11	83.5	60.0
1960	25	81.3	59.6
1959	19	82.4	59.5
1958	60	77.3	57.2
1957	61	77.2	57.3
1956	98	76.0	52.9
1955	24	82.9	58.0
1954	17	83.9	58.2
1953	46	82.5	54.6
1952	73	79.2	53.8
1951	78	77.8	54.0
1950	95	74.0	55.3
1949	106	72.5	50.7
1948	43	79.8	57.5
1947	37	80.2	57.9
1946	39	81.9	55.9
1945	20	81.3	60.6
1944	52	79.3	56.5
1943	79	77.8	54.0
1942	75	76.5	56.3
1941	10	83.9	59.8
1940	80	78.4	53.3
1939	4	86.7	60.3
1938	42	77.9	59.4
1937	87	76.7	54.0
1936	15	81.9	61.0
1935	67	78.5	55.7
1934	34	80.6	58.9
1933	5	83.7	62.4
1932	56	78.0	57.4
1931	7	83.1	62.3
1930	26	80.8	59.9
1929	66	76.8	57.4
1928	101	75.1	52.4
1927	16	82.8	60.1
1926	38	78.5	59.6
1925	2	83.6	64.2
1924	104	72.2	52.8
1923	48	78.1	58.5
1922	23	82.2	58.9
1921	8	81.6	63.0
1920	53	77.4	58.3
1919	35	81.5	57.6
1918	108	70.6	49.2
1917	92	76.0	53.8
1916	90	75.9	54.4

Weather Station Details

Years	Station	Coordinates
1948–2024	Cincinnati/Northern Kentucky International Airport	location
1916–1947	Cincinnati	location