Casper September 27 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of September 27.
September 27 All-Time Records
1900–2024
Highest temperature 89 °F 2015
Lowest temperature 21 °F 1936
Lowest daily high 34 °F 1984
Highest daily low 62 °F 1922
Most precipitation 0.58 inches 2013
Most snow 4.8 inches 2013
September 27 Average Weather
1991–2020 1
Average high 69.6 °F
Average low 38.1 °F
Chance precipitation 26.6%
Chance snow 6.5%
Casper September 27 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 49 0.00 0.0
2022 81 34 0.00 0.0
2021 85 46 0.00 0.0
2020 55 31 0.00 0.0
2019 52 43 0.09 0.0
2018 70 38 0.00 0.0
2017 64 30 0.00 0.0
2016 79 43 0.00 0.0
2015 89 47 0.00 0.0
2014 75 47 0.00 0.0
2013 38 30 0.58 4.8
2012 72 39 0.05 0.0
2011 86 38 0.00 0.0
2010 83 43 0.00 0.0
2009 62 32 0.00 0.0
2008 84 32 0.00 0.0
2007 71 31 0.00 0.0
2006 57 31 0.00 0.0
2005 81 44 0.00 0.0
2004 68 38 0.00 0.0
2003 65 34 0.00 0.0
2002 67 33 0.00 0.0
2001 85 49 0.00 0.0
2000 70 35 0.00 0.0
1999 45 32 0.03 0.0
1998 78 41 0.00 n/a
1997 61 38 0.00 n/a
1996 50 24 0.00 n/a
1995 75 46 0.01 0.0
1994 84 44 0.00 0.0
1993 81 44 0.00 0.0
1992 65 41 0.00 0.0
1991 79 36 0.00 0.0
1990 73 37 0.00 0.0
1989 83 52 0.00 0.0
1988 78 41 0.00 0.0
1987 64 38 0.00 0.0
1986 56 36 0.00 0.0
1985 46 25 0.09 0.9
1984 34 27 0.00 0.0
1983 77 51 0.09 0.0
1982 61 45 0.19 0.0
1981 80 28 0.00 0.0
1980 83 37 0.00 0.0
1979 74 41 0.00 0.0
1978 84 39 0.00 0.0
1977 79 34 0.00 0.0
1976 56 32 0.00 0.0
1975 66 36 0.00 0.0
1974 47 31 0.14 1.2
1973 67 33 0.00 0.0
1972 75 35 0.02 0.0
1971 65 38 0.08 0.0
1970 72 30 0.00 0.0
1969 86 37 0.00 0.0
1968 73 32 0.00 0.0
1967 70 35 0.00 0.0
1966 69 44 0.00 0.0
1965 69 34 0.00 0.0
1964 68 22 0.00 0.0
1963 87 45 0.00 0.0
1962 77 45 0.00 0.0
1961 59 33 0.00 0.0
1960 77 39 0.00 0.0
1959 47 33 0.26 0.2
1958 72 30 0.00 0.0
1957 81 42 0.00 0.0
1956 82 54 0.00 0.0
1955 69 42 0.00 0.0
1954 81 53 0.00 0.0
1953 83 55 0.00 0.0
1952 84 52 0.00 0.0
1951 54 23 0.00 0.0
1950 58 33 0.00 0.0
1949 74 32 0.00 0.0
1948 75 48 0.00 0.0
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a 0.00 n/a
1939 76 39 0.00 0.0
1938 82 43 0.00 0.0
1937 n/a n/a n/a n/a
1936 47 21 0.00 0.0
1935 49 40 0.00 0.0
1934 60 37 0.00 0.0
1933 74 47 0.00 0.0
1932 72 34 0.00 0.0
1931 76 38 0.00 n/a
1930 70 31 n/a n/a
1929 64 47 n/a n/a
1928 57 31 0.00 n/a
1927 64 26 n/a n/a
1926 70 24 n/a n/a
1925 76 41 n/a n/a
1924 51 34 0.03 n/a
1923 72 46 0.24 n/a
1922 80 62 0.00 n/a
1921 82 42 0.00 n/a
1920 71 40 0.00 n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 70 47 0.00 0.0
1916 65 35 0.46 n/a
1915 56 34 0.00 0.0
1914 82 62 0.00 0.0
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 80 41 n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 67 33 0.00 0.0
What's the all-time high for Casper on 9/27?
For the date of Sep 27, the highest temperature ever reached in Casper history is 89 °F which happened in 2015.
Highest Temperatures in Casper on September 27
Rank Temperature Year
1 89 °F 2015
2 87 °F 1963
3 86 °F 2011
3 86 °F 1969
5 85 °F 2021
5 85 °F 2001
7 84 °F 1994
7 84 °F 1978
7 84 °F 2008
7 84 °F 1952
What's the all-time low for Casper on 9/27?
For the date of Sep 27, the lowest temperature ever reached in Casper history is 21 °F which happened in 1936.
Lowest Temperatures in Casper on September 27
Rank Temperature Year
1 21 °F 1936
2 22 °F 1964
3 23 °F 1951
4 24 °F 1926
4 24 °F 1996
6 25 °F 1985
7 26 °F 1927
8 27 °F 1984
9 28 °F 1981
10 30 °F 2013
10 30 °F 1958
10 30 °F 1970
10 30 °F 2017
Lowest High Temperatures in Casper on September 27
Rank Temperature Year
1 34 °F 1984
2 38 °F 2013
3 45 °F 1999
4 46 °F 1985
5 47 °F 1974
5 47 °F 1959
5 47 °F 1936
8 49 °F 1935
9 50 °F 1996
10 51 °F 1924
What's the most it has ever rained in Casper on 9/27?
For the date of Sep 27, the most precipitation ever recorded in Casper history is 0.58 inches which happened in 2013.
All-Time Most Precipitation in Casper on September 27
Rank Precipitation Year
1 0.58 inches 2013
2 0.46 inches 1916
3 0.26 inches 1959
4 0.24 inches 1923
5 0.19 inches 1982
6 0.14 inches 1974
7 0.09 inches 2019
7 0.09 inches 1985
7 0.09 inches 1983
10 0.08 inches 1971
All-Time Most Snow in Casper on September 27
Rank Precipitation Year
1 4.8 inches 2013
2 1.2 inches 1974
3 0.9 inches 1985
4 0.2 inches 1959
Weather Station Details
Years Station Coordinates
1949–2024 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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