Modesto September 21 Weather Records

Daily averages and all-time records for weather in Modesto, California for the date of September 21.
September 21 All-Time Records
1906–2024
Highest temperature 104 °F 1939
Lowest temperature 45 °F 1960
Lowest daily high 71 °F 1945
Highest daily low 69 °F 1939
Most precipitation 0.40 inches 1916
September 21 Average Weather
1991–2020 1
Average high 87.1 °F
Average low 58.2 °F
Chance precipitation 2.5%
Modesto September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 80 54 0.00 n/a
2022 79 56 0.00 n/a
2021 93 55 0.00 n/a
2020 94 57 0.00 n/a
2019 86 54 0.00 n/a
2018 93 53 0.00 n/a
2017 73 54 0.00 n/a
2016 85 61 0.00 n/a
2015 102 64 0.00 n/a
2014 86 61 0.00 n/a
2013 76 55 0.13 n/a
2012 91 57 0.00 n/a
2011 99 61 0.00 n/a
2010 80 54 0.00 n/a
2009 96 63 0.00 n/a
2008 84 56 0.00 n/a
2007 81 55 0.00 n/a
2006 89 53 0.00 n/a
2005 85 62 0.00 n/a
2004 79 52 0.00 n/a
2003 99 58 0.00 n/a
2002 96 61 0.00 n/a
2001 89 57 0.00 n/a
2000 81 60 0.00 n/a
1999 89 57 0.00 0.0
1998 83 55 0.00 0.0
1997 94 60 0.00 0.0
1996 96 62 0.00 0.0
1995 92 61 0.00 0.0
1994 94 61 0.00 0.0
1993 84 55 0.00 0.0
1992 99 61 0.00 0.0
1991 90 57 0.00 0.0
1990 87 63 0.00 0.0
1989 84 57 0.00 0.0
1988 83 52 0.00 0.0
1987 96 54 0.00 0.0
1986 80 46 0.00 0.0
1985 92 54 0.00 0.0
1984 85 61 0.00 0.0
1983 94 66 0.00 0.0
1982 87 54 0.00 0.0
1981 89 58 0.00 0.0
1980 83 52 0.00 0.0
1979 95 56 0.00 0.0
1978 87 49 0.00 0.0
1977 82 55 0.00 0.0
1976 87 55 0.00 0.0
1975 90 58 0.00 0.0
1974 92 57 0.00 0.0
1973 83 52 0.00 0.0
1972 89 51 0.00 0.0
1971 85 54 0.00 0.0
1970 86 51 0.00 0.0
1969 83 53 0.00 0.0
1968 78 50 0.00 0.0
1967 90 63 0.00 0.0
1966 89 52 0.00 0.0
1965 88 47 0.00 0.0
1964 87 57 0.00 0.0
1963 87 51 0.00 0.0
1962 90 52 0.00 0.0
1961 76 51 0.00 0.0
1960 84 45 0.00 0.0
1959 79 52 0.00 0.0
1958 96 54 0.00 0.0
1957 92 50 0.00 0.0
1956 82 57 0.00 0.0
1955 86 51 0.00 0.0
1954 82 50 0.00 0.0
1953 80 53 0.00 0.0
1952 91 56 0.00 0.0
1951 90 58 0.00 0.0
1950 91 55 0.00 0.0
1949 98 57 0.00 0.0
1948 80 51 0.00 0.0
1947 89 58 0.00 n/a
1946 94 52 0.00 n/a
1945 71 52 0.00 n/a
1944 75 51 0.00 n/a
1943 98 57 0.00 n/a
1942 88 51 0.00 n/a
1941 82 50 0.00 n/a
1940 89 50 0.00 n/a
1939 104 69 0.00 n/a
1938 93 55 0.00 n/a
1937 94 53 0.00 n/a
1936 95 58 0.00 n/a
1935 86 54 0.00 n/a
1934 85 55 0.00 n/a
1933 79 49 0.00 n/a
1932 86 52 0.00 n/a
1931 89 52 0.00 n/a
1930 78 54 0.00 n/a
1929 78 48 0.00 n/a
1928 98 54 0.00 n/a
1927 82 49 0.00 0.0
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a 0.40 n/a
1915 n/a n/a 0.00 n/a
1914 n/a n/a 0.00 n/a
1913 n/a n/a 0.00 n/a
1912 n/a n/a 0.00 n/a
1911 n/a n/a 0.00 n/a
1910 n/a n/a 0.00 n/a
1909 n/a n/a 0.00 n/a
1908 n/a n/a 0.00 n/a
1907 n/a n/a 0.00 n/a
1906 n/a n/a 0.00 n/a
What's the all-time high for Modesto on 9/21?
For the date of Sep 21, the highest temperature ever reached in Modesto history is 104 °F which happened in 1939.
Highest Temperatures in Modesto on September 21
Rank Temperature Year
1 104 °F 1939
2 102 °F 2015
3 99 °F 2003
3 99 °F 1992
3 99 °F 2011
6 98 °F 1949
6 98 °F 1928
6 98 °F 1943
9 96 °F 1987
9 96 °F 2002
9 96 °F 2009
9 96 °F 1996
9 96 °F 1958
What's the all-time low for Modesto on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Modesto history is 45 °F which happened in 1960.
Lowest Temperatures in Modesto on September 21
Rank Temperature Year
1 45 °F 1960
2 46 °F 1986
3 47 °F 1965
4 48 °F 1929
5 49 °F 1978
5 49 °F 1933
5 49 °F 1927
8 50 °F 1968
8 50 °F 1940
8 50 °F 1941
8 50 °F 1957
8 50 °F 1954
Lowest High Temperatures in Modesto on September 21
Rank Temperature Year
1 71 °F 1945
2 73 °F 2017
3 75 °F 1944
4 76 °F 1961
4 76 °F 2013
6 78 °F 1929
6 78 °F 1968
6 78 °F 1930
9 79 °F 1933
9 79 °F 2004
9 79 °F 1959
9 79 °F 2022
What's the most it has ever rained in Modesto on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Modesto history is 0.40 inches which happened in 1916.
All-Time Most Precipitation in Modesto on September 21
Rank Precipitation Year
1 0.40 inches 1916
2 0.13 inches 2013
Weather Station Details
Years Station Coordinates
1906–2024 Modesto City-County Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy