Santa Ana September 21 Weather Records

September 21 All-Time Records 1906–2024
Highest temperature	111 °F	1939
Lowest temperature	43 °F	1944
Lowest daily high	70 °F	1961
Highest daily low	73 °F	2015
Most precipitation	0.05 inches	1988
Most snow	none	-

September 21 Average Weather 1991–2020 ¹
Average high	83.9 °F
Average low	62.6 °F
Chance precipitation	2.5%
Chance snow	0%

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	76	62	0.00	n/a
2022	84	63	0.00	n/a
2021	100	63	0.00	n/a
2020	82	66	0.00	n/a
2019	86	63	0.00	n/a
2018	82	63	0.00	n/a
2017	73	65	0.03	n/a
2016	86	71	0.00	n/a
2015	96	73	0.00	n/a
2014	83	67	0.00	n/a
2013	78	66	0.00	n/a
2012	91	64	0.00	n/a
2011	82	62	0.00	n/a
2010	76	58	0.00	0.0
2009	84	62	0.00	0.0
2008	79	61	0.00	0.0
2007	79	52	0.00	0.0
2006	82	56	0.00	0.0
2005	84	55	0.00	0.0
2004	92	62	0.00	0.0
2003	83	67	0.00	0.0
2002	90	60	0.00	0.0
2001	84	58	0.00	0.0
2000	75	64	0.00	0.0
1999	83	59	0.00	0.0
1998	76	65	0.00	0.0
1997	87	60	0.00	0.0
1996	82	66	0.00	0.0
1995	79	61	0.00	0.0
1994	79	61	0.00	0.0
1993	71	64	0.00	0.0
1992	89	60	0.00	0.0
1991	85	63	0.00	0.0
1990	79	65	0.00	0.0
1989	90	59	0.00	0.0
1988	73	58	0.05	0.0
1987	94	63	0.00	0.0
1986	76	54	0.00	0.0
1985	87	58	0.00	0.0
1984	82	68	0.00	0.0
1983	85	71	0.01	0.0
1982	86	59	0.00	0.0
1981	87	64	0.00	0.0
1980	79	64	0.00	0.0
1979	84	66	0.00	0.0
1978	94	64	0.00	0.0
1977	82	57	0.00	0.0
1976	78	66	0.00	0.0
1975	84	60	0.00	0.0
1974	87	61	0.00	0.0
1973	77	59	0.00	0.0
1972	89	58	0.00	0.0
1971	76	63	0.00	0.0
1970	77	58	0.00	0.0
1969	77	59	0.00	0.0
1968	77	55	0.00	0.0
1967	82	62	0.00	0.0
1966	86	58	0.00	0.0
1965	88	54	0.00	0.0
1964	78	62	0.00	0.0
1963	84	60	0.00	0.0
1962	81	57	0.00	0.0
1961	70	61	0.00	0.0
1960	77	62	0.00	0.0
1959	78	61	0.00	0.0
1958	87	61	0.00	0.0
1957	79	54	0.00	0.0
1956	84	56	0.00	0.0
1955	79	60	0.00	0.0
1954	84	53	0.00	0.0
1953	78	53	0.00	0.0
1952	90	61	0.00	0.0
1951	96	55	0.00	0.0
1950	89	47	0.00	0.0
1949	87	62	0.00	0.0
1948	78	56	0.00	0.0
1947	85	61	0.00	n/a
1946	86	57	0.00	0.0
1945	70	61	0.00	0.0
1944	89	43	0.00	n/a
1943	88	50	0.00	0.0
1942	94	46	0.00	n/a
1941	78	46	0.00	n/a
1940	83	54	0.00	n/a
1939	111	n/a	0.00	n/a
1938	99	n/a	0.00	n/a
1937	80	64	n/a	n/a
1936	86	58	0.00	n/a
1935	86	58	0.00	n/a
1934	85	n/a	0.00	n/a
1933	80	49	0.00	n/a
1932	78	59	0.00	n/a
1931	89	49	0.00	n/a
1930	79	51	0.00	n/a
1929	74	64	0.00	n/a
1928	85	56	0.00	n/a
1927	87	54	0.00	n/a
1926	84	45	0.00	n/a
1925	77	45	0.00	n/a
1924	75	45	0.00	n/a
1923	88	48	0.00	n/a
1922	89	56	0.00	n/a
1921	81	57	0.00	n/a
1920	79	47	0.00	n/a
1919	75	58	n/a	n/a
1918	81	49	0.00	n/a
1917	77	61	n/a	n/a
1916	81	48	0.00	n/a
1915	n/a	n/a	n/a	n/a
1914	n/a	n/a	n/a	n/a
1913	n/a	n/a	n/a	n/a
1912	n/a	n/a	n/a	n/a
1911	n/a	n/a	n/a	n/a
1910	n/a	n/a	n/a	n/a
1909	n/a	n/a	n/a	n/a
1908	n/a	n/a	n/a	n/a
1907	n/a	n/a	n/a	n/a
1906	n/a	n/a	n/a	n/a

Rank	Temperature	Year
1	111 °F	1939
2	100 °F	2021
3	99 °F	1938
4	96 °F	2015
4	96 °F	1951
6	94 °F	1942
6	94 °F	1978
6	94 °F	1987
9	92 °F	2004
10	91 °F	2012

Rank	Temperature	Year
1	43 °F	1944
2	45 °F	1925
2	45 °F	1926
2	45 °F	1924
5	46 °F	1941
5	46 °F	1942
7	47 °F	1950
7	47 °F	1920
9	48 °F	1923
9	48 °F	1916

Santa Ana September 21 Weather Records

Santa Ana September 21 Weather by Year