Watsonville September 21 Weather Records

Daily averages and all-time records for weather in Watsonville, California for the date of September 21.
September 21 All-Time Records
1908–2024
Highest temperature 97 °F 2003
Lowest temperature 33 °F 1915
Lowest daily high 60 °F 1916
Highest daily low 64 °F 2014
Most precipitation 0.98 inches 1916
September 21 Average Weather
1991–2020 1
Average high 74.5 °F
Average low 52.1 °F
Chance precipitation 6.6%
Watsonville September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 70 57 0.00 n/a
2022 73 54 0.00 n/a
2021 89 55 0.00 n/a
2020 68 53 0.00 n/a
2019 89 52 0.00 0.0
2018 66 48 0.00 0.0
2017 71 48 0.00 0.0
2016 72 50 0.00 0.0
2015 95 61 0.00 0.0
2014 74 64 0.00 0.0
2013 70 54 0.07 0.0
2012 74 47 0.00 0.0
2011 70 52 0.01 n/a
2010 71 50 0.00 n/a
2009 72 54 0.00 n/a
2008 70 52 0.00 n/a
2007 72 49 0.01 n/a
2006 73 47 0.00 n/a
2005 78 51 0.00 n/a
2004 79 44 0.00 n/a
2003 97 55 0.00 n/a
2002 73 51 0.00 n/a
2001 66 53 0.01 n/a
2000 69 59 0.00 n/a
1999 71 50 0.00 n/a
1998 66 58 0.00 n/a
1997 84 49 0.00 0.0
1996 76 49 0.00 0.0
1995 67 54 0.00 0.0
1994 66 55 0.00 0.0
1993 63 48 0.00 0.0
1992 67 53 0.00 0.0
1991 66 48 0.00 0.0
1990 83 53 0.00 0.0
1989 69 47 0.00 0.0
1988 67 49 0.00 0.0
1987 79 48 0.00 0.0
1986 70 46 0.00 0.0
1985 69 48 0.00 0.0
1984 72 58 0.00 0.0
1983 93 61 0.00 0.0
1982 82 50 0.00 0.0
1981 77 47 0.00 0.0
1980 75 50 0.00 0.0
1979 73 53 0.00 0.0
1978 81 47 0.00 0.0
1977 72 53 0.00 0.0
1976 70 51 0.00 0.0
1975 69 50 0.00 0.0
1974 69 51 0.00 0.0
1973 71 53 0.00 0.0
1972 87 50 0.00 0.0
1971 66 53 0.00 0.0
1970 69 50 0.00 0.0
1969 70 55 0.00 0.0
1968 71 42 0.00 0.0
1967 93 60 0.00 0.0
1966 73 49 0.00 0.0
1965 78 43 0.00 0.0
1964 77 46 0.00 0.0
1963 72 47 0.00 0.0
1962 67 51 0.00 0.0
1961 61 55 0.00 0.0
1960 64 51 0.00 0.0
1959 70 50 0.00 0.0
1958 85 50 0.00 0.0
1957 77 47 0.00 0.0
1956 69 53 0.00 0.0
1955 66 49 0.00 0.0
1954 78 48 0.00 0.0
1953 69 57 0.00 0.0
1952 83 49 0.00 0.0
1951 70 49 0.00 0.0
1950 88 52 0.00 0.0
1949 85 53 0.00 0.0
1948 67 48 0.00 0.0
1947 90 52 0.00 0.0
1946 79 50 0.00 0.0
1945 64 54 0.00 0.0
1944 72 48 0.00 n/a
1943 95 55 0.00 0.0
1942 71 49 0.00 n/a
1941 71 40 0.00 n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 68 52 0.00 n/a
1935 64 53 0.00 n/a
1934 64 55 0.00 n/a
1933 78 43 0.00 n/a
1932 72 58 0.00 n/a
1931 85 45 0.00 n/a
1930 71 52 0.00 n/a
1929 67 53 0.00 n/a
1928 96 46 0.00 n/a
1927 75 41 0.00 n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 74 46 0.00 0.0
1923 76 54 0.00 n/a
1922 76 52 0.00 n/a
1921 78 52 n/a n/a
1920 78 48 n/a n/a
1919 70 50 n/a n/a
1918 70 54 0.00 n/a
1917 86 52 n/a n/a
1916 60 54 0.98 n/a
1915 82 33 n/a n/a
1914 82 38 0.00 n/a
1913 87 50 0.00 n/a
1912 70 48 0.00 n/a
1911 65 50 0.00 n/a
1910 78 41 0.00 n/a
1909 66 48 0.00 n/a
1908 62 46 n/a n/a
What's the all-time high for Watsonville on 9/21?
For the date of Sep 21, the highest temperature ever reached in Watsonville history is 97 °F which happened in 2003.
Highest Temperatures in Watsonville on September 21
Rank Temperature Year
1 97 °F 2003
2 96 °F 1928
3 95 °F 2015
3 95 °F 1943
5 93 °F 1983
5 93 °F 1967
7 90 °F 1947
8 89 °F 2021
8 89 °F 2019
10 88 °F 1950
What's the all-time low for Watsonville on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Watsonville history is 33 °F which happened in 1915.
Lowest Temperatures in Watsonville on September 21
Rank Temperature Year
1 33 °F 1915
2 38 °F 1914
3 40 °F 1941
4 41 °F 1910
4 41 °F 1927
6 42 °F 1968
7 43 °F 1933
7 43 °F 1965
9 44 °F 2004
10 45 °F 1931
Lowest High Temperatures in Watsonville on September 21
Rank Temperature Year
1 60 °F 1916
2 61 °F 1961
3 62 °F 1908
4 63 °F 1993
5 64 °F 1945
5 64 °F 1934
5 64 °F 1935
5 64 °F 1960
9 65 °F 1911
10 66 °F 1909
10 66 °F 2001
10 66 °F 1994
10 66 °F 1991
10 66 °F 1955
10 66 °F 2018
10 66 °F 1971
10 66 °F 1998
What's the most it has ever rained in Watsonville on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Watsonville history is 0.98 inches which happened in 1916.
All-Time Most Precipitation in Watsonville on September 21
Rank Precipitation Year
1 0.98 inches 1916
2 0.07 inches 2013
3 0.01 inches 2011
3 0.01 inches 2007
3 0.01 inches 2001
Weather Station Details
Years Station Coordinates
1998–2024 Watsonville Municipal Airport location
1908–1998 Watsonville Water Works location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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