Average September Temperature in Stillwater by Year

This page contains a list of the average monthly high and low temperatures in Stillwater, Oklahoma for the month of September each year between 1894 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Stillwater?

1931 was the warmest September in the history of Stillwater, Oklahoma. The average daily high temperature was 93.9 °F, and the average low was 70.6 °F.

What Was the Coldest September Ever in Stillwater?

1974 was the coolest September in the history of Stillwater, Oklahoma. The average daily high temperature was 74.2 °F, and the average low was 55.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	9	91.4	64.8
2022	12	92.6	62.7
2021	6	93.9	64.4
2020	87	83.6	59.2
2019	2	91.7	70.7
2018	49	83.7	64.8
2017	50	87.0	61.1
2016	26	87.8	63.3
2015	21	87.9	64.4
2014	47	86.6	61.9
2013	20	91.2	61.1
2012	27	88.8	62.2
2011	100	85.3	55.9
2010	28	88.0	62.7
2009	90	81.5	61.0
2008	111	83.0	56.7
2007	63	84.9	62.2
2006	113	85.3	53.9
2005	24	89.5	61.8
2004	54	89.1	58.5
2003	116	81.2	57.5
2001	84	84.0	59.0
2000	23	92.4	59.8
1999	110	81.7	58.5
1998	4	93.1	67.5
1997	48	86.0	62.5
1996	114	80.9	58.3
1995	103	79.8	60.8
1994	105	82.7	57.8
1993	118	81.1	55.4
1992	95	82.7	58.9
1991	97	80.5	60.8
1990	17	90.5	63.3
1989	120	79.9	55.8
1988	77	85.6	58.8
1987	92	84.1	58.3
1986	43	83.1	65.5
1985	64	84.9	62.3
1984	83	83.5	60.0
1983	58	87.1	60.3
1982	68	85.6	60.8
1981	53	86.1	61.6
1980	18	87.9	65.2
1979	85	85.3	57.6
1978	16	89.2	66.0
1977	25	86.0	65.1
1976	109	82.3	58.1
1975	117	80.8	57.1
1974	124	74.2	55.0
1973	96	79.3	62.0
1972	42	84.1	64.8
1971	86	83.1	59.7
1970	57	85.7	61.6
1969	66	85.2	61.5
1968	91	85.8	56.7
1967	108	81.0	59.4
1966	106	82.5	58.0
1965	61	86.5	60.7
1964	73	83.7	62.1
1963	33	87.5	62.3
1962	80	82.7	61.5
1961	99	81.5	59.8
1960	37	88.2	61.2
1959	72	85.5	60.4
1958	39	85.5	63.7
1956	5	95.6	62.8
1955	14	90.1	65.2
1954	8	93.8	63.7
1953	35	89.6	60.0
1952	59	89.8	57.4
1951	88	83.5	59.1
1950	102	81.3	59.4
1949	119	80.5	55.5
1948	45	88.6	60.0
1945	74	85.5	60.2
1944	70	87.0	59.1
1943	79	87.2	57.0
1942	93	84.1	57.8
1941	40	85.2	64.0
1940	89	84.1	58.4
1939	3	97.6	63.1
1938	36	89.7	59.9
1937	30	86.0	64.1
1936	10	87.2	68.7
1935	112	80.7	58.6
1934	121	79.8	55.8
1933	11	89.0	66.5
1932	60	84.8	62.4
1931	1	93.9	70.6
1930	13	89.5	65.8
1929	81	83.3	60.9
1928	78	86.0	58.4
1927	71	84.1	61.9
1926	82	82.7	61.1
1925	29	87.1	63.3
1924	94	85.6	56.2
1923	52	83.8	64.1
1922	34	88.4	61.3
1921	22	88.2	64.0
1920	44	85.5	63.1
1919	38	86.2	63.0
1918	122	81.2	53.3
1917	107	81.9	58.6
1916	98	83.5	57.8
1915	76	82.6	61.9
1913	101	81.5	59.3
1912	104	84.1	56.5
1911	7	90.3	67.7
1910	19	90.1	62.9
1909	67	89.1	57.5
1907	56	88.1	59.3
1906	62	84.1	63.1
1905	32	87.4	62.4
1904	65	85.1	61.6
1903	115	83.1	55.8
1902	123	79.7	53.3
1901	46	87.2	61.4
1900	31	84.8	65.1
1899	55	91.3	56.3
1898	41	87.0	62.1
1897	51	88.8	59.3
1896	69	87.7	58.6
1895	15	90.2	65.0
1894	75	83.4	61.3

Weather Station Details

Years	Station	Coordinates
2009–2024	Stillwater Regional Airport	location
1893–2008	Stillwater 2 W	location