Chula Vista September 21 Weather Records

Daily averages and all-time records for weather in Chula Vista, California for the date of September 21.
September 21 All-Time Records
1918–2024
Highest temperature 105 °F 1939
Lowest temperature 49 °F 1925
Lowest daily high 64 °F 1933
Highest daily low 73 °F 1939
Most precipitation 0.14 inches 2016
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 78.2 °F
Average low 63.2 °F
Chance precipitation 2.1%
Chance snow 0%
Chula Vista September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 75 62 0.00 n/a
2022 78 67 0.00 n/a
2021 86 61 0.00 n/a
2020 75 66 0.00 n/a
2019 76 59 0.00 n/a
2018 73 58 0.00 n/a
2017 73 67 0.00 n/a
2016 81 72 0.14 n/a
2015 92 71 0.00 n/a
2014 78 69 0.00 n/a
2013 76 65 0.00 n/a
2012 78 67 0.00 n/a
2011 71 62 0.00 n/a
2010 67 58 0.00 0.0
2009 78 63 0.00 0.0
2008 82 63 0.00 0.0
2007 n/a n/a 0.00 0.0
2006 n/a n/a 0.00 0.0
2005 79 63 0.00 0.0
2004 87 56 0.00 0.0
2003 n/a n/a 0.00 0.0
2002 80 59 0.00 0.0
2001 76 61 0.00 0.0
2000 74 61 0.00 0.0
1999 n/a n/a 0.00 0.0
1998 74 66 0.00 0.0
1997 78 60 0.00 0.0
1996 74 60 0.00 0.0
1995 77 64 0.00 0.0
1994 75 65 0.00 0.0
1993 72 64 0.00 0.0
1992 83 63 0.00 0.0
1991 80 64 0.00 0.0
1990 77 64 0.00 0.0
1989 87 57 0.00 0.0
1988 73 61 0.00 0.0
1987 78 64 0.00 0.0
1986 72 54 0.00 0.0
1985 84 57 0.00 0.0
1984 n/a 70 0.00 0.0
1983 n/a 71 0.00 0.0
1982 78 58 0.00 0.0
1981 73 63 0.00 0.0
1980 70 64 0.00 0.0
1979 76 68 0.00 0.0
1978 80 55 0.00 0.0
1977 71 56 0.00 0.0
1976 72 67 0.00 0.0
1975 72 62 0.00 0.0
1974 69 61 0.00 0.0
1973 68 61 0.00 0.0
1972 74 57 0.00 0.0
1971 73 63 0.00 0.0
1970 70 56 0.00 0.0
1969 70 61 0.00 0.0
1968 70 56 0.00 0.0
1967 76 62 0.00 0.0
1966 70 56 0.00 0.0
1965 75 54 0.00 0.0
1964 69 62 0.00 0.0
1963 n/a n/a 0.00 0.0
1962 70 62 0.00 0.0
1961 71 64 0.00 0.0
1960 72 64 0.00 0.0
1959 76 64 0.00 0.0
1958 n/a n/a 0.00 0.0
1957 n/a 55 0.00 0.0
1956 71 55 0.00 0.0
1955 70 61 0.00 0.0
1954 73 53 0.00 0.0
1953 71 54 0.00 0.0
1952 74 62 0.00 0.0
1951 74 60 0.00 0.0
1950 n/a 55 0.00 0.0
1949 72 66 0.00 0.0
1948 69 62 0.00 0.0
1947 76 67 0.07 0.0
1946 71 63 0.00 0.0
1945 73 66 0.00 0.0
1944 70 55 0.00 0.0
1943 71 58 0.00 n/a
1942 75 52 0.00 n/a
1941 71 50 0.00 n/a
1940 70 62 0.00 n/a
1939 105 73 0.00 n/a
1938 78 64 0.00 n/a
1937 70 63 0.00 n/a
1936 74 60 0.00 n/a
1935 69 62 0.00 n/a
1934 71 66 0.00 n/a
1933 64 56 0.00 n/a
1932 70 63 0.00 n/a
1931 80 54 0.00 n/a
1930 69 59 0.00 n/a
1929 74 66 0.00 n/a
1928 67 57 0.00 n/a
1927 77 60 0.00 n/a
1926 70 52 0.00 n/a
1925 71 49 0.00 n/a
1924 69 50 0.00 n/a
1923 71 58 0.00 n/a
1922 75 61 0.00 n/a
1921 68 57 0.00 n/a
1920 68 59 0.00 n/a
1919 67 63 0.00 n/a
1918 71 66 0.00 n/a
What's the all-time high for Chula Vista on 9/21?
For the date of Sep 21, the highest temperature ever reached in Chula Vista history is 105 °F which happened in 1939.
Highest Temperatures in Chula Vista on September 21
Rank Temperature Year
1 105 °F 1939
2 92 °F 2015
3 87 °F 1989
3 87 °F 2004
5 86 °F 2021
6 84 °F 1985
7 83 °F 1992
8 82 °F 2008
9 81 °F 2016
10 80 °F 1991
10 80 °F 1931
10 80 °F 1978
10 80 °F 2002
What's the all-time low for Chula Vista on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Chula Vista history is 49 °F which happened in 1925.
Lowest Temperatures in Chula Vista on September 21
Rank Temperature Year
1 49 °F 1925
2 50 °F 1924
2 50 °F 1941
4 52 °F 1926
4 52 °F 1942
6 53 °F 1954
7 54 °F 1965
7 54 °F 1931
7 54 °F 1953
7 54 °F 1986
Lowest High Temperatures in Chula Vista on September 21
Rank Temperature Year
1 64 °F 1933
2 67 °F 2010
2 67 °F 1928
2 67 °F 1919
5 68 °F 1973
5 68 °F 1921
5 68 °F 1920
8 69 °F 1964
8 69 °F 1974
8 69 °F 1948
8 69 °F 1924
8 69 °F 1935
8 69 °F 1930
What's the most it has ever rained in Chula Vista on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Chula Vista history is 0.14 inches which happened in 2016.
All-Time Most Precipitation in Chula Vista on September 21
Rank Precipitation Year
1 0.14 inches 2016
2 0.07 inches 1947
Weather Station Details
Years Station Coordinates
1918–2024 Chula Vista location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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