Casper September 13 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of September 13.
September 13 All-Time Records
1900–2023
Highest temperature 99 °F 1911
Lowest temperature 23 °F 1949
Lowest daily high 39 °F 1970
Highest daily low 64 °F 1920
Most precipitation 1.0 inches 1982
Most snow 0.4 inches 1993
September 13 Average Weather
1991–2020 1
Average high 76.8 °F
Average low 43.3 °F
Chance precipitation 22.3%
Chance snow 1.7%
Casper September 13 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 44 0.00 0.0
2022 85 35 0.02 0.0
2021 76 53 0.10 0.0
2020 82 46 0.00 0.0
2019 78 41 0.00 0.0
2018 87 40 0.00 0.0
2017 88 51 0.00 0.0
2016 60 36 0.06 0.0
2015 88 43 0.00 0.0
2014 67 32 0.00 0.0
2013 67 53 0.13 0.0
2012 77 37 0.00 0.0
2011 81 50 0.00 0.0
2010 85 37 0.00 0.0
2009 74 30 0.00 0.0
2008 67 41 0.00 0.0
2007 63 36 0.00 0.0
2006 89 41 0.00 0.0
2005 66 33 0.00 0.0
2004 70 45 0.12 0.0
2003 58 33 0.01 0.0
2002 76 45 0.00 0.0
2001 82 51 0.01 0.0
2000 87 51 0.00 0.0
1999 70 26 0.00 0.0
1998 72 48 0.00 n/a
1997 86 48 0.00 n/a
1996 82 40 0.00 n/a
1995 81 44 0.00 0.0
1994 82 53 0.00 0.0
1993 45 30 0.04 0.4
1992 74 38 0.00 0.0
1991 74 47 0.00 0.0
1990 78 46 0.00 0.0
1989 67 28 0.00 0.0
1988 53 42 0.07 0.0
1987 85 40 0.00 0.0
1986 72 40 0.02 0.0
1985 74 38 0.00 0.0
1984 73 38 0.11 0.0
1983 79 39 0.00 0.0
1982 46 40 0.95 0.0
1981 89 52 0.00 0.0
1980 78 46 0.00 0.0
1979 57 37 0.00 0.0
1978 64 35 0.00 0.0
1977 78 40 0.00 0.0
1976 73 42 0.00 0.0
1975 75 35 0.00 0.0
1974 60 30 0.00 0.0
1973 71 50 0.00 0.0
1972 69 39 0.00 0.0
1971 88 47 0.00 0.0
1970 39 30 0.05 0.0
1969 82 53 0.00 0.0
1968 85 42 0.00 0.0
1967 60 35 0.01 0.0
1966 62 49 0.14 0.0
1965 80 37 0.00 0.0
1964 79 42 0.00 0.0
1963 87 51 0.00 0.0
1962 83 44 0.00 0.0
1961 43 35 0.00 0.0
1960 80 41 0.02 0.0
1959 88 52 0.00 0.0
1958 74 54 0.00 0.0
1957 48 37 0.55 0.0
1956 77 44 0.00 0.0
1955 84 50 0.00 0.0
1954 77 50 0.00 0.0
1953 85 54 0.00 0.0
1952 66 42 0.00 0.0
1951 66 37 0.00 0.0
1950 57 37 0.00 0.0
1949 63 23 0.00 0.0
1948 89 45 0.00 0.0
1939 74 58 0.00 0.0
1938 71 45 0.05 0.0
1936 85 49 0.00 0.0
1935 87 55 0.00 0.0
1934 80 47 0.00 0.0
1933 72 42 0.00 0.0
1932 80 38 0.00 0.0
1931 87 40 0.00 n/a
1930 76 37 n/a n/a
1929 74 52 n/a n/a
1928 80 39 0.25 n/a
1927 78 58 0.11 n/a
1926 72 42 0.05 n/a
1925 75 46 n/a n/a
1924 67 39 0.26 n/a
1923 78 42 n/a n/a
1922 84 45 0.00 n/a
1921 79 40 0.00 n/a
1920 82 64 0.00 n/a
1917 79 40 0.00 0.0
1916 74 43 0.00 n/a
1915 58 31 0.15 0.0
1914 50 37 0.00 0.0
1911 99 51 n/a n/a
1901 75 48 0.00 0.0
What's the all-time high for Casper on 9/13?
For the date of Sep 13, the highest temperature ever reached in Casper history is 99 °F which happened in 1911.
Highest Temperatures in Casper on September 13
Rank Temperature Year
1 99 °F 1911
2 89 °F 1981
2 89 °F 1948
2 89 °F 2006
5 88 °F 2017
5 88 °F 1971
5 88 °F 1959
5 88 °F 2015
9 87 °F 2000
9 87 °F 1963
9 87 °F 2018
9 87 °F 1935
9 87 °F 1931
What's the all-time low for Casper on 9/13?
For the date of Sep 13, the lowest temperature ever reached in Casper history is 23 °F which happened in 1949.
Lowest Temperatures in Casper on September 13
Rank Temperature Year
1 23 °F 1949
2 26 °F 1999
3 28 °F 1989
4 30 °F 1970
4 30 °F 2009
4 30 °F 1974
4 30 °F 1993
8 31 °F 1915
9 32 °F 2014
10 33 °F 2003
10 33 °F 2005
Lowest High Temperatures in Casper on September 13
Rank Temperature Year
1 39 °F 1970
2 43 °F 1961
3 45 °F 1993
4 46 °F 1982
5 48 °F 1957
6 50 °F 1914
7 53 °F 1988
8 57 °F 1950
8 57 °F 1979
10 58 °F 1915
10 58 °F 2003
What's the most it has ever rained in Casper on 9/13?
For the date of Sep 13, the most precipitation ever recorded in Casper history is 0.95 inches which happened in 1982.
All-Time Most Precipitation in Casper on September 13
Rank Precipitation Year
1 0.95 inches 1982
2 0.55 inches 1957
3 0.26 inches 1924
4 0.25 inches 1928
5 0.15 inches 1915
6 0.14 inches 1966
7 0.13 inches 2013
8 0.12 inches 2004
9 0.11 inches 1984
9 0.11 inches 1927
All-Time Most Snow in Casper on September 13
Rank Precipitation Year
1 0.4 inches 1993
Weather Station Details
Years Station Coordinates
1949–2023 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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