Merced September 21 Weather Records

Daily averages and all-time records for weather in Merced, California for the date of September 21.
September 21 All-Time Records
1899–2024
Highest temperature 105 °F 1905
Lowest temperature 42 °F 1903
Lowest daily high 73 °F 2017
Highest daily low 70 °F 1939
Most precipitation 0.08 inches 1944
September 21 Average Weather
1991–2020 1
Average high 88.6 °F
Average low 55.3 °F
Chance precipitation 2.9%
Merced September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 80 56 0.00 0.0
2022 82 59 0.00 0.0
2021 96 57 0.00 0.0
2020 94 56 0.00 0.0
2019 88 52 0.00 0.0
2018 95 52 0.00 0.0
2017 73 53 0.01 0.0
2016 87 52 0.00 0.0
2015 102 61 0.00 0.0
2014 88 62 0.00 0.0
2013 77 53 0.00 0.0
2012 93 57 0.00 0.0
2011 101 57 0.00 n/a
2010 82 53 0.00 n/a
2009 96 59 0.00 n/a
2008 83 52 0.00 n/a
2007 77 46 0.00 n/a
2006 86 54 0.00 n/a
2005 85 59 0.00 n/a
2004 79 46 0.00 n/a
2003 100 61 0.00 n/a
2002 98 57 0.00 n/a
2001 90 55 0.00 n/a
2000 82 59 0.00 n/a
1999 92 53 0.00 n/a
1998 78 51 0.00 n/a
1997 93 54 0.00 0.0
1996 96 56 0.00 0.0
1995 97 58 0.00 0.0
1994 96 58 0.00 0.0
1993 86 50 0.00 0.0
1992 100 53 0.00 0.0
1991 95 57 0.00 0.0
1990 92 60 0.00 0.0
1989 85 50 0.00 0.0
1988 81 49 0.00 0.0
1987 96 52 0.00 0.0
1986 79 46 0.00 0.0
1985 91 51 0.00 0.0
1984 85 57 0.00 0.0
1983 93 66 0.02 0.0
1982 87 49 0.00 0.0
1981 91 54 0.00 0.0
1980 83 47 0.00 0.0
1979 96 51 0.00 0.0
1978 86 43 0.00 0.0
1977 84 53 0.00 0.0
1976 87 54 0.00 0.0
1975 94 52 0.00 0.0
1974 97 57 0.00 0.0
1973 84 53 0.00 0.0
1972 91 54 0.00 0.0
1971 89 53 0.00 0.0
1970 85 50 0.00 0.0
1969 84 50 0.00 0.0
1968 78 45 0.00 0.0
1967 97 61 0.00 0.0
1966 92 56 0.00 0.0
1965 88 46 0.00 0.0
1964 90 57 0.00 0.0
1963 88 53 0.00 0.0
1962 89 50 0.00 0.0
1961 80 53 0.00 0.0
1960 89 57 0.00 0.0
1959 80 51 0.00 0.0
1958 95 54 0.00 0.0
1957 93 47 0.00 0.0
1956 87 53 0.00 0.0
1955 89 51 0.00 0.0
1954 92 48 0.00 0.0
1953 86 55 0.00 0.0
1952 94 55 0.00 0.0
1951 92 56 0.00 0.0
1950 92 53 0.00 0.0
1949 99 60 0.00 0.0
1948 87 50 0.00 0.0
1947 93 47 0.00 0.0
1946 94 52 n/a 0.0
1945 77 56 0.00 0.0
1944 78 46 0.08 0.0
1943 98 54 0.00 0.0
1942 92 48 0.00 n/a
1941 86 49 0.00 n/a
1940 90 52 0.00 n/a
1939 104 70 0.00 n/a
1938 90 56 0.00 n/a
1937 84 54 0.00 n/a
1936 100 56 0.00 n/a
1935 92 60 0.00 n/a
1934 93 57 0.00 n/a
1933 81 55 0.00 n/a
1932 86 53 0.00 n/a
1931 84 54 0.00 n/a
1930 86 54 0.00 n/a
1929 95 n/a 0.00 n/a
1928 98 55 0.00 n/a
1927 88 52 0.00 0.0
1926 78 49 0.00 n/a
1925 84 46 0.00 0.0
1924 91 50 n/a n/a
1923 82 58 n/a n/a
1922 95 57 n/a n/a
1921 91 48 n/a n/a
1920 83 52 n/a n/a
1919 98 59 n/a n/a
1918 76 52 n/a n/a
1917 83 54 n/a n/a
1916 84 58 n/a n/a
1915 96 52 n/a n/a
1914 82 48 0.00 n/a
1913 84 62 0.00 n/a
1912 94 68 0.00 n/a
1911 76 58 0.00 n/a
1910 82 56 0.00 n/a
1909 87 52 0.00 n/a
1908 88 46 0.00 n/a
1907 n/a n/a n/a n/a
1906 n/a 52 0.00 n/a
1905 105 44 0.00 n/a
1904 n/a 60 0.00 n/a
1903 95 42 0.00 n/a
1902 89 50 0.00 n/a
1901 80 53 0.00 n/a
1900 n/a n/a n/a n/a
1899 100 55 0.00 n/a
What's the all-time high for Merced on 9/21?
For the date of Sep 21, the highest temperature ever reached in Merced history is 105 °F which happened in 1905.
Highest Temperatures in Merced on September 21
Rank Temperature Year
1 105 °F 1905
2 104 °F 1939
3 102 °F 2015
4 101 °F 2011
5 100 °F 2003
5 100 °F 1899
5 100 °F 1936
5 100 °F 1992
9 99 °F 1949
10 98 °F 1919
10 98 °F 2002
10 98 °F 1943
10 98 °F 1928
What's the all-time low for Merced on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Merced history is 42 °F which happened in 1903.
Lowest Temperatures in Merced on September 21
Rank Temperature Year
1 42 °F 1903
2 43 °F 1978
3 44 °F 1905
4 45 °F 1968
5 46 °F 1965
5 46 °F 1944
5 46 °F 1986
5 46 °F 1925
5 46 °F 2007
5 46 °F 2004
5 46 °F 1908
Lowest High Temperatures in Merced on September 21
Rank Temperature Year
1 73 °F 2017
2 76 °F 1911
2 76 °F 1918
4 77 °F 2007
4 77 °F 1945
4 77 °F 2013
7 78 °F 1944
7 78 °F 1998
7 78 °F 1968
7 78 °F 1926
What's the most it has ever rained in Merced on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Merced history is 0.08 inches which happened in 1944.
All-Time Most Precipitation in Merced on September 21
Rank Precipitation Year
1 0.08 inches 1944
2 0.02 inches 1983
3 0.01 inches 2017
Weather Station Details
Years Station Coordinates
1998–2024 Merced Municipal Airport location
1899–1998 Merced location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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