Stillwater September 21 Weather Records

Daily averages and all-time records for weather in Stillwater, Oklahoma for the date of September 21.
September 21 All-Time Records
1893–2024
Highest temperature 102 °F 2022
Lowest temperature 36 °F 1983
Lowest daily high 56 °F 1983
Highest daily low 79 °F 1931
Most precipitation 4.00 inches 1965
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 83.8 °F
Average low 58.5 °F
Chance precipitation 21.8%
Chance snow 0%
Stillwater September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 90 71 0.00 n/a
2022 102 74 0.00 n/a
2021 84 52 0.00 n/a
2020 83 56 0.00 n/a
2019 88 73 0.00 n/a
2018 76 58 0.74 n/a
2017 96 77 0.00 n/a
2016 93 72 0.00 n/a
2015 86 64 0.00 n/a
2014 85 57 0.00 n/a
2013 86 46 0.00 n/a
2012 96 59 0.00 n/a
2011 79 58 0.03 n/a
2010 90 70 0.00 n/a
2009 85 65 0.04 n/a
2008 85 54 0.00 0.0
2007 88 66 0.00 0.0
2006 85 55 0.20 0.0
2005 94 68 0.00 0.0
2004 96 66 0.00 0.0
2003 81 46 0.00 0.0
2002 n/a n/a n/a n/a
2001 81 64 0.28 0.0
2000 78 43 0.00 0.0
1999 69 46 0.00 0.0
1998 95 74 0.00 0.0
1997 73 56 0.00 0.0
1996 74 48 0.00 0.0
1995 64 47 0.17 0.0
1994 85 56 0.00 0.0
1993 84 58 0.00 0.0
1992 91 70 0.00 0.0
1991 66 n/a 0.00 0.0
1990 82 66 0.47 0.0
1989 82 54 0.00 0.0
1988 84 51 0.00 0.0
1987 74 56 0.90 0.0
1986 89 69 0.00 0.0
1985 90 51 0.20 0.0
1984 87 56 0.00 0.0
1983 56 36 0.00 0.0
1982 72 42 0.00 0.0
1981 88 57 0.00 0.0
1980 96 74 0.00 0.0
1979 76 56 0.00 0.0
1978 75 55 0.95 0.0
1977 85 56 0.00 0.0
1976 78 48 0.00 0.0
1975 75 n/a 0.00 0.0
1974 73 53 0.05 0.0
1973 82 64 0.00 0.0
1972 88 62 0.50 0.0
1971 70 41 0.00 0.0
1970 91 73 0.00 0.0
1969 82 55 0.00 0.0
1968 90 67 0.08 0.0
1967 84 65 0.32 0.0
1966 82 46 0.00 0.0
1965 80 53 4.00 0.0
1964 77 64 0.05 0.0
1963 89 63 0.00 0.0
1962 79 60 0.00 0.0
1961 86 70 0.00 0.0
1960 90 66 0.11 0.0
1959 90 71 0.00 0.0
1958 84 64 0.00 0.0
1957 n/a n/a n/a n/a
1956 99 70 0.00 0.0
1955 98 75 0.00 0.0
1954 80 58 0.00 0.0
1953 72 51 0.00 0.0
1952 75 51 0.03 0.0
1951 85 61 0.00 0.0
1950 90 64 0.00 0.0
1949 86 56 0.00 0.0
1948 96 67 0.00 0.0
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 84 65 2.81 0.0
1944 99 59 0.00 0.0
1943 91 53 0.00 0.0
1942 77 39 0.00 0.0
1941 84 66 0.00 0.0
1940 86 63 0.00 0.0
1939 91 55 0.00 0.0
1938 83 38 0.00 0.0
1937 95 68 0.00 0.0
1936 84 71 0.00 0.0
1935 88 62 0.00 0.0
1934 59 47 n/a n/a
1933 90 53 n/a n/a
1932 94 70 0.00 0.0
1931 91 79 0.00 0.0
1930 92 59 0.00 0.0
1929 86 68 0.00 0.0
1928 86 53 0.00 0.0
1927 74 38 0.00 0.0
1926 91 63 0.00 0.0
1925 88 68 0.00 0.0
1924 86 64 0.00 0.0
1923 76 55 0.00 0.0
1922 79 44 0.00 0.0
1921 87 62 0.00 0.0
1920 89 61 0.00 0.0
1919 78 68 0.00 0.0
1918 69 36 0.00 0.0
1917 n/a 50 0.00 0.0
1916 82 59 0.01 0.0
1915 68 49 0.00 0.0
1914 89 66 0.00 0.0
1913 71 43 0.00 0.0
1912 80 44 0.00 0.0
1911 79 61 0.22 0.0
1910 96 66 0.00 0.0
1909 92 60 0.00 0.0
1908 84 n/a 0.00 0.0
1907 77 65 0.06 0.0
1906 89 62 0.00 0.0
1905 89 49 0.00 0.0
1904 68 58 0.02 0.0
1903 85 56 0.00 0.0
1902 78 64 0.65 0.0
1901 84 48 0.00 0.0
1900 76 61 0.00 0.0
1899 86 51 0.00 0.0
1898 80 61 0.00 0.0
1897 80 40 0.00 0.0
1896 67 52 1.68 0.0
1895 94 73 0.00 0.0
1894 88 65 0.00 0.0
1893 n/a n/a 0.00 0.0
What's the all-time high for Stillwater on 9/21?
For the date of Sep 21, the highest temperature ever reached in Stillwater history is 102 °F which happened in 2022.
Highest Temperatures in Stillwater on September 21
Rank Temperature Year
1 102 °F 2022
2 99 °F 1956
2 99 °F 1944
4 98 °F 1955
5 96 °F 2017
5 96 °F 2004
5 96 °F 1910
5 96 °F 2012
5 96 °F 1980
5 96 °F 1948
What's the all-time low for Stillwater on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Stillwater history is 36 °F which has happened 2 times, most recently in 1983.
Lowest Temperatures in Stillwater on September 21
Rank Temperature Year
1 36 °F 1983
1 36 °F 1918
3 38 °F 1938
3 38 °F 1927
5 39 °F 1942
6 40 °F 1897
7 41 °F 1971
8 42 °F 1982
9 43 °F 2000
9 43 °F 1913
Lowest High Temperatures in Stillwater on September 21
Rank Temperature Year
1 56 °F 1983
2 59 °F 1934
3 64 °F 1995
4 66 °F 1991
5 67 °F 1896
6 68 °F 1904
6 68 °F 1915
8 69 °F 1918
8 69 °F 1999
10 70 °F 1971
What's the most it has ever rained in Stillwater on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Stillwater history is 4.00 inches which happened in 1965.
All-Time Most Precipitation in Stillwater on September 21
Rank Precipitation Year
1 4.00 inches 1965
2 2.81 inches 1945
3 1.68 inches 1896
4 0.95 inches 1978
5 0.90 inches 1987
6 0.74 inches 2018
7 0.65 inches 1902
8 0.50 inches 1972
9 0.47 inches 1990
10 0.32 inches 1967
Weather Station Details
Years Station Coordinates
2009–2024 Stillwater Regional Airport location
1893–2008 Stillwater 2 W location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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