Fort Smith September Ranked Monthly Temperatures

Average September Temperatures for Fort Smith, Arkansas

All temperatures in °F

For the 144-year period of September 1882 through September 2025

Warmest September was 83.4 recorded in 1939

Coldest September was 65.7 recorded in 1974

Difference between the warmest and coldest September was 17.7

Coldest September

Warmest September

RANK	YEAR	TEMP	RANK	YEAR	TEMP

1	1974	65.7	76	1953	74.9
2	1975	68.6	77	1944	74.9
3	1918	68.6	78	1907	74.9
4	1902	68.6	79	1997	75.0
5	1890	69.8	80	1958	75.0
6	1967	70.1	81	1945	75.0
7	1889	70.2	82	1905	75.0
8	1996	70.3	83	1896	75.0
9	1989	70.3	84	1912	75.1
10	1976	70.3	85	2004	75.3
11	1949	70.3	86	1959	75.3
12	1995	70.6	87	1956	75.3
13	1934	70.8	88	1932	75.3
14	1924	70.9	89	1972	75.6
15	2006	71.3	90	1919	75.6
16	2003	71.3	91	1904	75.6
17	1966	71.3	92	1927	75.7
18	1888	71.3	93	1886	75.7
19	1992	71.4	94	2007	75.9
20	1984	71.4	95	1920	75.9
21	1979	71.5	96	1906	75.9
22	1903	71.5	97	2017	76.0
23	1892	71.5	98	2010	76.0
24	1994	71.7	99	1914	76.0
25	1968	71.8	100	1898	76.0
26	1957	71.8	101	1988	76.1
27	1950	71.8	102	1915	76.1
28	1928	71.9	103	2002	76.2
29	1901	72.0	104	1895	76.2
30	1981	72.1	105	2000	76.3
31	1894	72.1	106	1897	76.3
32	1982	72.2	107	1909	76.4
33	2001	72.3	108	2024	76.5
34	1940	72.4	109	2015	76.7
35	1913	72.4	110	2025	76.8
36	2009	72.5	111	1986	76.8
37	1962	72.5	112	1970	76.9
38	1961	72.5	113	1960	77.0
39	1951	72.5	114	1955	77.0
40	1999	72.6	115	1926	77.0
41	1993	72.6	116	1977	77.1
42	1991	72.6	117	1947	77.1
43	2008	72.7	118	2018	77.1
44	1885	72.7	119	1990	77.2
45	2011	72.8	120	2012	77.3
46	1987	72.8	121	2016	77.4
47	1942	72.9	122	1938	77.4
48	1882	72.9	123	1930	77.4
49	1964	73.0	124	2022	77.6
50	1899	73.0	125	1900	77.9
51	1883	73.2	126	1922	78.1
52	1952	73.3	127	1980	78.2
53	1917	73.3	128	2023	78.4
54	1908	73.3	129	2021	78.4
55	1935	73.4	130	1954	78.6
56	2020	73.5	131	2013	78.7
57	1941	73.5	132	1978	78.8
58	1891	73.5	133	1910	78.8
59	1943	73.6	134	2005	79.1
60	1985	73.8	135	1931	79.5
61	1923	73.9	136	1933	79.7
62	1948	74.0	137	1936	79.8
63	1929	74.1	138	1925	79.8
64	1916	74.1	139	1921	80.1
65	1893	74.2	140	1911	80.1
66	1983	74.4	141	1884	80.2
67	1969	74.4	142	1998	80.5
68	1946	74.4	143	2019	81.7
69	1887	74.4	144	1939	83.4
70	2014	74.5
71	1973	74.5
72	1937	74.6
73	1963	74.7
74	1971	74.8
75	1965	74.8

RANK	YEAR	TEMP	RANK	YEAR	TEMP

1	1939	83.4	76	1983	74.4
2	2019	81.7	77	1969	74.4
3	1998	80.5	78	1946	74.4
4	1884	80.2	79	1887	74.4
5	1921	80.1	80	1893	74.2
6	1911	80.1	81	1929	74.1
7	1936	79.8	82	1916	74.1
8	1925	79.8	83	1948	74.0
9	1933	79.7	84	1923	73.9
10	1931	79.5	85	1985	73.8
11	2005	79.1	86	1943	73.6
12	1978	78.8	87	2020	73.5
13	1910	78.8	88	1941	73.5
14	2013	78.7	89	1891	73.5
15	1954	78.6	90	1935	73.4
16	2023	78.4	91	1952	73.3
17	2021	78.4	92	1917	73.3
18	1980	78.2	93	1908	73.3
19	1922	78.1	94	1883	73.2
20	1900	77.9	95	1964	73.0
21	2022	77.6	96	1899	73.0
22	2016	77.4	97	1942	72.9
23	1938	77.4	98	1882	72.9
24	1930	77.4	99	2011	72.8
25	2012	77.3	100	1987	72.8
26	1990	77.2	101	2008	72.7
27	1977	77.1	102	1885	72.7
28	1947	77.1	103	1999	72.6
29	2018	77.1	104	1993	72.6
30	1960	77.0	105	1991	72.6
31	1955	77.0	106	2009	72.5
32	1926	77.0	107	1962	72.5
33	1970	76.9	108	1961	72.5
34	2025	76.8	109	1951	72.5
35	1986	76.8	110	1940	72.4
36	2015	76.7	111	1913	72.4
37	2024	76.5	112	2001	72.3
38	1909	76.4	113	1982	72.2
39	2000	76.3	114	1981	72.1
40	1897	76.3	115	1894	72.1
41	1895	76.2	116	1901	72.0
42	2002	76.2	117	1928	71.9
43	1988	76.1	118	1968	71.8
44	1915	76.1	119	1957	71.8
45	2017	76.0	120	1950	71.8
46	2010	76.0	121	1994	71.7
47	1914	76.0	122	1979	71.5
48	1898	76.0	123	1903	71.5
49	2007	75.9	124	1892	71.5
50	1920	75.9	125	1992	71.4
51	1906	75.9	126	1984	71.4
52	1927	75.7	127	2006	71.3
53	1886	75.7	128	2003	71.3
54	1972	75.6	129	1966	71.3
55	1919	75.6	130	1888	71.3
56	1904	75.6	131	1924	70.9
57	2004	75.3	132	1934	70.8
58	1959	75.3	133	1995	70.6
59	1956	75.3	134	1996	70.3
60	1932	75.3	135	1989	70.3
61	1912	75.1	136	1976	70.3
62	1997	75.0	137	1949	70.3
63	1958	75.0	138	1889	70.2
64	1945	75.0	139	1967	70.1
65	1905	75.0	140	1890	69.8
66	1896	75.0	141	1975	68.6
67	1953	74.9	142	1918	68.6
68	1944	74.9	143	1902	68.6
69	1907	74.9	144	1974	65.7
70	1971	74.8
71	1965	74.8
72	1963	74.7
73	1937	74.6
74	2014	74.5
75	1973	74.5

August

September

October

Updated: November 7, 2025