Maryland September Temperature by Year

This page is a list of the average statewide temperature in the month of September in Maryland for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Hottest September in Maryland History?

2018 was the warmest September in Maryland history. Statewide, the average daily high temperature was 79.8 °F, and the average low was 65.6 °F.

What Was the Coldest September in Maryland History?

1917 was the coolest September in Maryland history. Statewide, the average daily high temperature was 71.9 °F, and the average low was 52.0 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	22	79.2	59.7
2022	38	79.0	58.3
2021	20	79.7	59.4
2020	66	76.8	57.8
2019	9	82.7	60.1
2018	1	79.8	65.6
2017	42	78.1	58.4
2016	7	81.0	62.0
2015	12	81.0	60.7
2014	47	78.1	58.0
2013	91	77.4	54.5
2012	49	78.5	57.0
2011	29	77.0	61.0
2010	15	81.9	58.5
2009	82	75.5	57.3
2008	32	78.8	58.8
2007	20	81.5	57.7
2006	105	74.3	56.3
2005	10	83.0	59.1
2004	34	78.1	59.3
2003	49	76.6	58.9
2002	24	80.3	58.5
2001	98	76.7	54.4
2000	96	75.7	55.7
1999	64	77.0	57.8
1998	7	83.1	59.8
1997	86	77.1	55.5
1996	69	76.4	57.9
1995	75	77.6	56.1
1994	98	76.3	54.9
1993	54	77.5	57.8
1992	82	75.8	57.0
1991	75	78.1	55.7
1990	94	76.0	55.6
1989	58	77.1	58.0
1988	105	76.0	54.6
1987	42	78.0	58.5
1986	61	77.6	57.4
1985	49	79.5	56.1
1984	116	75.8	53.0
1983	54	80.0	55.4
1982	93	76.5	55.3
1981	102	75.6	55.4
1980	13	81.8	59.1
1979	78	76.1	57.4
1978	58	78.6	56.6
1977	24	79.2	59.6
1976	103	76.5	54.2
1975	117	73.2	55.4
1974	98	75.6	55.5
1973	31	79.4	58.4
1972	61	77.4	57.5
1971	27	77.9	60.4
1970	13	82.2	58.5
1969	86	77.0	55.6
1968	73	79.1	54.9
1967	122	75.0	52.2
1966	114	74.4	54.6
1965	32	79.3	58.2
1964	86	78.3	54.3
1963	125	74.7	51.8
1962	122	74.3	52.8
1961	5	82.4	60.9
1960	61	77.0	57.9
1959	26	80.6	57.9
1958	98	77.3	54.0
1957	40	78.1	58.9
1956	114	74.9	54.1
1955	78	76.4	57.1
1954	29	80.6	57.3
1953	75	79.1	54.6
1952	89	78.4	54.2
1951	73	78.8	55.1
1950	119	72.8	55.3
1949	118	74.9	53.2
1948	89	77.7	54.6
1947	64	77.6	57.2
1946	72	79.0	55.1
1945	17	79.7	60.5
1944	49	77.5	58.2
1943	105	77.8	52.7
1942	54	78.7	56.7
1941	22	82.2	56.9
1940	120	75.4	52.4
1939	44	79.4	57.0
1938	103	74.7	56.0
1937	122	75.0	52.2
1936	34	79.1	58.4
1935	112	75.1	54.0
1934	44	77.1	59.4
1933	17	79.9	60.4
1932	58	79.6	55.6
1931	5	82.7	60.7
1930	2	84.9	60.3
1929	54	79.0	56.4
1928	126	72.1	53.7
1927	69	79.3	55.0
1926	66	76.4	58.2
1925	10	81.6	60.5
1924	127	72.1	53.4
1923	48	77.8	58.0
1922	44	79.1	57.2
1921	3	82.8	61.8
1920	69	77.5	57.0
1919	66	78.8	55.7
1918	127	73.8	51.5
1917	129	71.9	52.0
1916	112	76.3	53.0
1915	41	79.4	57.5
1914	120	76.3	51.5
1913	94	76.2	55.4
1912	38	77.9	59.2
1911	34	77.7	59.6
1910	34	78.7	58.7
1909	111	75.0	54.5
1908	109	76.4	53.7
1907	49	77.2	58.5
1906	17	79.5	60.6
1905	82	77.3	55.5
1904	80	77.3	55.6
1903	96	76.6	54.8
1902	108	75.7	54.7
1901	82	77.1	55.8
1900	4	81.9	61.8
1899	110	75.8	53.9
1898	28	79.9	58.2
1897	80	78.8	54.2
1896	91	76.5	55.4
1895	15	81.3	59.2