Average September Temperature in Santa Ana by Year

This page contains a list of the average monthly high and low temperatures in Santa Ana, California 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 Santa Ana?

1984 was the warmest September in the history of Santa Ana, California. The average daily high temperature was 91.2 °F, and the average low was 68.6 °F.

What Was the Coldest September Ever in Santa Ana?

1933 was the coolest September in the history of Santa Ana, California. The average daily high temperature was 77.7 °F, and the average low was 53.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	31	81.4	65.1
2022	3	89.6	68.8
2021	26	84.0	63.3
2020	6	89.2	65.1
2019	10	85.4	66.4
2018	22	83.3	64.5
2017	15	84.4	65.3
2016	17	84.6	65.0
2015	2	90.0	69.5
2014	4	88.5	68.0
2013	19	85.0	64.1
2012	8	87.6	65.6
2011	45	83.1	62.1
2010	50	84.4	60.2
2009	9	87.9	64.7
2008	20	86.1	62.4
2007	44	85.0	60.2
2006	38	86.1	59.8
2005	65	84.1	58.5
2004	13	87.3	63.3
2003	46	82.8	62.3
2002	35	84.4	61.7
2001	58	83.0	60.6
2000	40	84.3	61.5
1999	82	79.9	59.0
1998	39	80.9	65.0
1997	5	89.2	66.5
1996	37	81.8	64.2
1995	23	84.0	63.7
1994	24	84.2	63.3
1993	57	81.8	62.2
1992	14	86.3	64.0
1991	51	81.8	62.8
1990	21	84.2	64.0
1989	56	83.0	61.1
1988	62	81.2	61.6
1987	33	83.9	62.3
1986	91	77.4	59.2
1985	66	80.6	61.5
1984	1	91.2	68.6
1983	12	85.3	65.5
1982	41	82.8	63.0
1981	36	82.6	63.4
1980	77	79.7	61.0
1979	7	88.9	64.7
1978	16	86.1	63.6
1977	49	82.4	62.4
1975	30	84.8	61.9
1974	43	82.7	62.6
1973	80	79.7	60.5
1972	60	81.6	61.3
1971	27	84.6	62.7
1970	55	84.4	59.9
1969	63	81.9	60.9
1968	32	84.9	61.5
1967	18	83.1	66.2
1966	53	83.6	60.8
1965	84	80.6	58.0
1964	75	81.9	59.0
1963	11	89.3	62.2
1962	73	81.4	59.8
1961	81	81.3	58.1
1960	29	86.0	61.1
1959	54	82.5	61.9
1957	70	82.5	59.1
1956	25	88.7	58.5
1955	34	85.3	60.9
1954	74	83.0	58.0
1953	85	80.5	58.0
1952	64	88.0	54.6
1951	78	84.6	56.0
1950	93	81.3	55.1
1949	71	87.3	54.3
1948	87	85.2	52.9
1947	47	87.5	57.6
1946	52	88.7	55.9
1945	48	87.1	57.9
1944	88	82.2	55.4
1943	76	86.8	54.0
1942	92	83.2	53.4
1941	98	81.3	52.0
1940	79	84.3	55.9
1938	28	88.7	58.4
1936	69	85.1	56.5
1935	67	84.4	57.5
1934	61	86.2	56.7
1933	101	77.7	53.8
1932	83	81.4	57.3
1931	72	85.7	55.7
1930	94	81.5	54.5
1929	59	84.0	59.0
1926	96	80.1	54.6
1925	97	81.7	52.7
1924	90	83.2	53.9
1923	89	81.2	56.1
1922	42	88.3	57.3
1921	86	83.4	54.9
1920	100	79.5	52.0
1919	95	80.2	54.8
1917	68	84.6	57.0
1916	99	78.6	53.6

Weather Station Details

Years	Station	Coordinates
1906–2024	Santa Ana Fire Station	location