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Rapid City September 15 Weather Records

Daily averages and all-time records for weather in Rapid City, South Dakota for the date of September 15.
September 15 All-Time Records
1948–2022
Highest temperature 103 °F 1948
Lowest temperature 32 °F 1965
Lowest daily high 42 °F 1973
Highest daily low 60 °F 1985
Most precipitation 0.5 inches 1967
Most snow 0.3 inches 1965
September 15 Average Weather
1991–2020 1
Average high 76.7 °F
Average low 46.7 °F
Chance precipitation 22.0%
Chance snow 0.3%
Rapid City September 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 75 55 0.00 n/a
2021 87 48 0.00 n/a
2020 84 47 0.00 n/a
2019 91 50 0.00 n/a
2018 83 58 0.01 0.0
2017 59 44 0.33 0.0
2016 73 46 0.02 0.0
2015 90 58 0.00 0.0
2014 68 33 0.00 0.0
2013 71 50 0.01 0.0
2012 91 46 0.00 0.0
2011 46 39 0.29 0.0
2010 71 46 0.00 0.0
2009 88 54 0.00 0.0
2008 78 42 0.00 0.0
2007 82 48 0.00 0.0
2006 74 53 0.00 0.0
2005 81 43 0.00 n/a
2004 70 45 0.00 n/a
2003 83 41 0.00 n/a
2002 87 48 0.00 n/a
2001 58 49 0.00 n/a
2000 92 48 0.00 0.0
1999 72 36 0.00 0.0
1998 84 52 0.00 0.0
1997 92 54 0.01 0.0
1996 70 50 0.00 0.0
1995 94 50 0.00 0.0
1994 69 46 0.02 0.0
1993 85 37 0.00 0.0
1992 97 54 0.00 0.0
1991 59 37 0.00 0.0
1990 80 50 0.00 0.0
1989 88 46 0.00 0.0
1988 73 49 0.00 0.0
1987 76 54 0.01 0.0
1986 48 45 0.06 0.0
1985 85 60 0.00 0.0
1984 68 41 0.00 0.0
1983 69 40 0.00 0.0
1982 52 36 0.00 0.0
1981 69 44 0.00 0.0
1980 79 42 0.24 0.0
1979 85 47 0.00 0.0
1978 87 45 0.00 0.0
1977 85 53 0.00 0.0
1976 79 51 0.00 0.0
1975 86 52 0.00 0.0
1974 80 47 0.00 0.0
1973 42 35 0.01 0.0
1972 83 48 0.00 0.0
1971 58 34 0.00 0.0
1970 60 39 0.00 0.0
1969 71 46 0.00 0.0
1968 79 48 0.04 0.0
1967 58 47 0.53 0.0
1966 67 44 0.06 0.0
1965 62 32 0.06 0.3
1964 78 43 0.20 0.0
1963 78 49 0.00 0.0
1962 84 50 0.05 0.0
1961 77 34 0.00 0.0
1960 82 54 0.00 0.0
1959 59 43 0.00 0.0
1958 67 45 0.00 0.0
1957 67 46 0.00 0.0
1956 84 52 0.00 0.0
1955 94 57 0.00 0.0
1954 83 55 0.09 0.0
1953 81 49 0.00 0.0
1952 84 46 0.00 0.0
1951 61 37 0.00 0.0
1950 52 42 0.08 0.0
1949 81 44 0.00 0.0
1948 103 57 0.00 0.0
All-Time Highest Temperatures in Rapid City on September 15
Rank Temperature Year
1 103 °F 1948
2 97 °F 1992
3 94 °F 1995
3 94 °F 1955
5 92 °F 1997
5 92 °F 2000
7 91 °F 2012
7 91 °F 2019
9 90 °F 2015
10 88 °F 1989
10 88 °F 2009
All-Time Lowest Temperatures in Rapid City on September 15
Rank Temperature Year
1 32 °F 1965
2 33 °F 2014
3 34 °F 1961
3 34 °F 1971
5 35 °F 1973
6 36 °F 1982
6 36 °F 1999
8 37 °F 1991
8 37 °F 1951
8 37 °F 1993
Lowest High Temperatures in Rapid City on September 15
Rank Temperature Year
1 42 °F 1973
2 46 °F 2011
3 48 °F 1986
4 52 °F 1982
4 52 °F 1950
6 58 °F 1967
6 58 °F 2001
6 58 °F 1971
9 59 °F 2017
9 59 °F 1959
9 59 °F 1991
All-Time Most Precipitation in Rapid City on September 15
Rank Precipitation Year
1 0.5 inches 1967
2 0.3 inches 2017
3 0.3 inches 2011
4 0.2 inches 1980
5 0.2 inches 1964
6 0.1 inches 1954
7 0.1 inches 1950
8 0.1 inches 1965
8 0.1 inches 1986
8 0.1 inches 1966
All-Time Most Snow in Rapid City on September 15
Rank Precipitation Year
1 0.3 inches 1965
Weather Station Details
Years Station Coordinates
1948–2022 Rapid City Regional Airport location