El Cajon September 15 Weather Records

Daily averages and all-time records for weather in El Cajon, California for the date of September 15.
September 15 All-Time Records
1899–2024
Highest temperature 108 °F 1989
Lowest temperature 43 °F 1954
Lowest daily high 70 °F 1906
Highest daily low 73 °F 2014
Most precipitation 0.30 inches 2015
September 15 Average Weather
1991–2020 1
Average high 88.3 °F
Average low 62.6 °F
Chance precipitation 1.9%
El Cajon September 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 64 0.00 n/a
2022 80 61 0.00 n/a
2021 83 61 0.00 n/a
2020 98 60 0.00 n/a
2019 98 65 0.00 n/a
2018 91 60 0.00 n/a
2017 76 66 0.00 n/a
2016 84 53 0.00 n/a
2015 80 72 0.30 n/a
2014 102 73 0.00 n/a
2013 95 63 0.00 n/a
2012 103 66 0.00 n/a
2011 80 63 0.00 n/a
2010 88 58 0.00 0.0
2009 81 63 0.00 0.0
2008 96 61 0.00 0.0
2007 n/a n/a n/a n/a
2006 n/a n/a 0.00 0.0
2005 n/a n/a n/a n/a
2004 83 67 0.00 0.0
2003 88 64 0.00 0.0
2002 96 60 0.00 0.0
2001 90 62 0.00 0.0
2000 97 64 0.00 0.0
1999 78 59 0.00 0.0
1998 n/a n/a n/a n/a
1997 n/a n/a n/a n/a
1996 n/a n/a 0.00 0.0
1995 90 62 0.00 0.0
1994 n/a n/a n/a n/a
1993 n/a 63 0.00 0.0
1992 88 64 0.00 0.0
1991 n/a n/a n/a n/a
1990 86 67 0.00 0.0
1989 108 n/a 0.00 0.0
1988 n/a n/a 0.00 0.0
1987 86 56 0.00 0.0
1986 77 56 0.00 0.0
1985 n/a 54 0.00 0.0
1984 95 68 0.00 0.0
1983 92 62 0.00 0.0
1982 79 65 0.00 0.0
1981 92 60 0.00 0.0
1980 83 52 0.00 0.0
1959 79 59 0.00 0.0
1958 98 51 0.00 0.0
1957 83 54 0.00 0.0
1956 98 50 0.00 0.0
1955 90 56 0.00 0.0
1954 86 43 0.00 0.0
1953 88 57 0.00 0.0
1952 93 48 0.00 0.0
1951 88 57 0.00 0.0
1950 80 52 0.00 0.0
1949 84 52 0.00 0.0
1948 89 55 0.00 0.0
1947 94 57 0.00 n/a
1946 90 58 0.00 0.0
1945 90 60 0.00 0.0
1944 77 59 0.00 n/a
1943 85 53 0.00 0.0
1942 92 53 0.00 n/a
1941 80 51 0.00 n/a
1940 86 47 0.00 n/a
1939 95 50 0.00 n/a
1938 92 58 0.00 n/a
1937 105 63 0.00 n/a
1936 82 50 0.00 n/a
1935 92 55 0.00 n/a
1934 92 57 0.01 n/a
1933 82 58 0.00 n/a
1932 83 48 0.00 n/a
1931 74 48 0.00 n/a
1930 84 54 0.00 n/a
1929 92 52 0.00 n/a
1928 95 50 0.00 n/a
1927 76 61 0.00 n/a
1926 75 54 0.00 n/a
1925 92 48 0.00 n/a
1924 98 58 0.00 n/a
1923 83 62 0.00 n/a
1922 99 60 n/a n/a
1921 81 54 0.00 n/a
1920 78 60 0.05 n/a
1919 93 55 0.00 n/a
1918 81 62 0.00 n/a
1917 86 47 n/a n/a
1916 91 54 0.00 n/a
1915 77 47 n/a n/a
1914 79 46 0.00 n/a
1913 97 57 0.00 n/a
1912 79 55 0.00 n/a
1911 n/a n/a 0.00 0.0
1910 84 63 0.00 n/a
1909 105 58 0.00 n/a
1908 80 60 0.00 n/a
1907 87 45 0.00 n/a
1906 70 56 0.22 n/a
1905 87 56 0.00 n/a
1904 89 69 0.00 n/a
1903 85 47 0.00 n/a
1902 82 58 0.00 n/a
1901 84 50 0.00 n/a
1900 80 50 0.00 n/a
1899 83 57 0.00 0.0
What's the all-time high for El Cajon on 9/15?
For the date of Sep 15, the highest temperature ever reached in El Cajon history is 108 °F which happened in 1989.
Highest Temperatures in El Cajon on September 15
Rank Temperature Year
1 108 °F 1989
2 105 °F 1909
2 105 °F 1937
4 103 °F 2012
5 102 °F 2014
6 99 °F 1922
7 98 °F 2019
7 98 °F 2020
7 98 °F 1956
7 98 °F 1924
7 98 °F 1958
What's the all-time low for El Cajon on 9/15?
For the date of Sep 15, the lowest temperature ever reached in El Cajon history is 43 °F which happened in 1954.
Lowest Temperatures in El Cajon on September 15
Rank Temperature Year
1 43 °F 1954
2 45 °F 1907
3 46 °F 1914
4 47 °F 1903
4 47 °F 1940
4 47 °F 1917
4 47 °F 1915
8 48 °F 1952
8 48 °F 1925
8 48 °F 1931
8 48 °F 1932
Lowest High Temperatures in El Cajon on September 15
Rank Temperature Year
1 70 °F 1906
2 74 °F 1931
3 75 °F 1926
4 76 °F 1927
4 76 °F 2017
6 77 °F 1944
6 77 °F 1915
6 77 °F 1986
9 78 °F 1920
9 78 °F 1999
9 78 °F 2023
What's the most it has ever rained in El Cajon on 9/15?
For the date of Sep 15, the most precipitation ever recorded in El Cajon history is 0.30 inches which happened in 2015.
All-Time Most Precipitation in El Cajon on September 15
Rank Precipitation Year
1 0.30 inches 2015
2 0.22 inches 1906
3 0.05 inches 1920
4 0.01 inches 1934
Weather Station Details
Years Station Coordinates
1979–2024 El Cajon location
1899–1979 El Cajon 2 E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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