Newport Beach September 21 Weather Records

Daily averages and all-time records for weather in Newport Beach, California for the date of September 21.
September 21 All-Time Records
1921–2024
Highest temperature 100 °F 1939
Lowest temperature 50 °F 1933
Lowest daily high 66 °F 2011
Highest daily low 73 °F 2015
Most precipitation 0.03 inches 1961
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 72.7 °F
Average low 63.6 °F
Chance precipitation 2.2%
Chance snow 0%
Newport Beach September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 71 62 0.00 n/a
2022 75 63 0.00 n/a
2021 77 62 0.00 n/a
2020 n/a 63 0.00 n/a
2019 76 64 0.00 n/a
2018 74 64 0.00 n/a
2017 70 66 0.00 n/a
2016 75 69 0.00 n/a
2015 88 73 0.00 n/a
2014 76 67 0.00 n/a
2013 69 66 0.00 n/a
2012 77 66 0.00 n/a
2011 66 62 0.00 n/a
2010 n/a n/a n/a n/a
2009 n/a n/a n/a n/a
2008 70 63 0.00 0.0
2007 67 57 0.00 0.0
2006 71 64 0.00 0.0
2005 68 61 0.01 0.0
2004 85 61 0.00 0.0
2003 75 63 0.00 0.0
2002 70 61 0.00 0.0
2001 68 65 0.00 0.0
2000 68 62 0.00 0.0
1999 77 61 0.00 0.0
1998 n/a n/a 0.00 0.0
1997 72 61 0.00 0.0
1996 72 65 0.00 0.0
1995 68 61 0.00 0.0
1994 69 61 0.00 0.0
1993 68 65 0.00 0.0
1992 68 61 0.00 0.0
1991 68 63 0.00 0.0
1990 71 67 0.00 0.0
1989 73 59 0.00 0.0
1988 66 60 0.01 0.0
1987 n/a n/a n/a n/a
1986 68 56 0.00 0.0
1985 75 60 0.00 0.0
1984 80 69 0.00 0.0
1983 78 72 0.00 0.0
1982 74 60 0.00 0.0
1981 74 65 0.00 0.0
1980 71 62 0.00 0.0
1979 78 68 0.00 0.0
1978 79 57 0.00 0.0
1977 73 56 0.00 0.0
1976 73 67 0.00 0.0
1975 70 60 0.00 0.0
1974 70 61 0.00 0.0
1973 70 62 0.00 0.0
1972 78 58 0.00 0.0
1971 71 62 0.00 0.0
1970 71 58 0.00 0.0
1969 72 56 0.00 0.0
1968 70 56 0.00 0.0
1967 76 62 0.00 0.0
1966 72 58 0.00 0.0
1965 73 56 0.00 0.0
1964 70 57 0.00 0.0
1963 75 60 0.00 0.0
1962 68 59 0.00 0.0
1961 69 59 0.03 0.0
1960 72 63 0.00 0.0
1959 73 63 0.00 0.0
1958 75 62 0.00 0.0
1957 69 56 0.00 0.0
1956 72 58 0.00 0.0
1955 69 63 0.00 0.0
1954 67 54 0.00 0.0
1953 74 54 0.00 0.0
1952 74 61 0.00 0.0
1951 76 60 0.00 0.0
1950 74 62 0.00 0.0
1949 70 61 0.00 0.0
1948 70 60 0.00 0.0
1947 79 65 0.03 0.0
1946 74 63 0.00 0.0
1945 74 62 0.00 0.0
1944 69 57 0.00 0.0
1943 70 58 0.00 0.0
1942 78 56 0.00 0.0
1941 74 56 0.00 0.0
1940 71 59 0.00 0.0
1939 100 73 0.00 0.0
1938 77 62 0.00 0.0
1937 73 63 0.00 0.0
1936 74 62 0.00 0.0
1935 71 60 0.00 0.0
1934 72 63 0.00 n/a
1933 68 50 0.02 n/a
1932 69 61 0.00 n/a
1931 80 54 0.00 n/a
1930 75 58 0.00 n/a
1929 70 65 0.00 n/a
1928 n/a n/a n/a n/a
1927 71 57 0.00 n/a
1926 73 55 0.00 n/a
1925 73 51 0.00 n/a
1924 69 52 0.00 n/a
1923 69 57 0.00 n/a
1922 74 58 0.00 n/a
1921 70 55 0.00 n/a
What's the all-time high for Newport Beach on 9/21?
For the date of Sep 21, the highest temperature ever reached in Newport Beach history is 100 °F which happened in 1939.
Highest Temperatures in Newport Beach on September 21
Rank Temperature Year
1 100 °F 1939
2 88 °F 2015
3 85 °F 2004
4 80 °F 1984
4 80 °F 1931
6 79 °F 1978
6 79 °F 1947
8 78 °F 1983
8 78 °F 1979
8 78 °F 1942
8 78 °F 1972
What's the all-time low for Newport Beach on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Newport Beach history is 50 °F which happened in 1933.
Lowest Temperatures in Newport Beach on September 21
Rank Temperature Year
1 50 °F 1933
2 51 °F 1925
3 52 °F 1924
4 54 °F 1954
4 54 °F 1953
4 54 °F 1931
7 55 °F 1926
7 55 °F 1921
9 56 °F 1942
9 56 °F 1941
9 56 °F 1986
9 56 °F 1977
9 56 °F 1969
9 56 °F 1968
9 56 °F 1957
9 56 °F 1965
Lowest High Temperatures in Newport Beach on September 21
Rank Temperature Year
1 66 °F 2011
1 66 °F 1988
3 67 °F 2007
3 67 °F 1954
5 68 °F 1933
5 68 °F 1986
5 68 °F 1992
5 68 °F 2005
5 68 °F 1995
5 68 °F 2000
5 68 °F 1991
5 68 °F 1993
5 68 °F 2001
5 68 °F 1962
What's the most it has ever rained in Newport Beach on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Newport Beach history is 0.03 inches which has happened 2 times, most recently in 1961.
All-Time Most Precipitation in Newport Beach on September 21
Rank Precipitation Year
1 0.03 inches 1961
1 0.03 inches 1947
3 0.02 inches 1933
4 0.01 inches 1988
4 0.01 inches 2005
Weather Station Details
Years Station Coordinates
1921–2024 Newport Beach Harbor location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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