Twin Falls September 15 Weather Records

Daily averages and all-time records for weather in Twin Falls, Idaho for the date of September 15.
September 15 All-Time Records
1925–2024
Highest temperature 95 °F 1990
Lowest temperature 27 °F 1936
Lowest daily high 57 °F 1982
Highest daily low 70 °F 2002
Most precipitation 0.23 inches 2015
September 15 Average Weather
1991–2020 1
Average high 77.2 °F
Average low 47.5 °F
Chance precipitation 12.3%
Twin Falls September 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 43 0.00 n/a
2022 77 48 0.01 n/a
2021 83 54 0.00 n/a
2020 86 54 0.00 n/a
2019 88 56 0.00 n/a
2018 76 48 0.00 n/a
2017 63 45 0.04 n/a
2016 68 40 0.00 n/a
2015 65 52 0.23 n/a
2014 89 57 0.00 n/a
2013 85 52 0.00 n/a
2012 85 57 0.00 n/a
2011 88 46 0.00 n/a
2010 84 47 0.00 n/a
2009 80 47 0.00 n/a
2008 85 43 0.00 n/a
2007 80 54 0.00 n/a
2006 58 40 0.01 n/a
2005 81 47 0.00 n/a
2004 75 43 0.00 n/a
2003 75 41 0.00 n/a
2002 93 70 0.00 n/a
2001 78 46 0.01 n/a
2000 89 61 0.00 n/a
1999 86 49 0.00 n/a
1998 89 53 0.00 n/a
1997 84 45 0.00 0.0
1996 70 44 0.00 0.0
1995 83 47 0.00 0.0
1994 69 44 0.00 0.0
1993 74 38 0.00 0.0
1992 74 40 0.00 0.0
1991 63 36 0.00 0.0
1990 95 46 0.00 0.0
1989 83 39 0.00 0.0
1988 73 37 0.00 0.0
1987 79 49 0.00 0.0
1986 59 44 0.22 0.0
1985 74 41 0.00 0.0
1984 80 40 0.00 0.0
1983 77 42 0.00 0.0
1982 57 40 0.00 0.0
1981 84 42 0.00 0.0
1980 65 45 0.00 0.0
1979 78 41 0.00 0.0
1978 70 42 0.00 0.0
1977 78 43 0.02 0.0
1976 77 42 0.07 0.0
1975 83 48 0.00 0.0
1974 76 34 0.00 0.0
1973 75 43 0.00 0.0
1972 77 40 0.00 0.0
1971 71 41 0.00 0.0
1970 59 30 0.00 0.0
1969 69 35 0.00 0.0
1968 73 48 0.00 0.0
1967 72 37 0.00 0.0
1966 68 47 0.01 0.0
1965 71 52 0.00 0.0
1964 78 48 0.00 0.0
1963 78 50 0.00 0.0
1962 78 42 0.00 0.0
1961 77 45 0.00 0.0
1960 80 46 0.00 0.0
1959 70 45 n/a 0.0
1958 66 42 0.00 0.0
1957 84 41 0.00 0.0
1956 83 47 0.00 0.0
1955 75 45 0.00 0.0
1954 89 47 0.00 0.0
1953 91 54 0.00 0.0
1952 76 34 0.00 0.0
1951 85 41 0.00 0.0
1950 68 31 0.00 0.0
1949 82 41 0.00 0.0
1948 91 51 0.00 0.0
1947 81 39 0.00 0.0
1946 70 40 0.00 0.0
1945 81 46 0.00 0.0
1944 68 37 0.00 0.0
1943 89 46 0.00 0.0
1942 80 44 0.00 0.0
1941 65 45 0.00 0.0
1940 81 43 0.02 0.0
1939 69 32 0.00 0.0
1938 87 39 0.00 0.0
1937 89 52 0.00 0.0
1936 60 27 0.00 0.0
1935 76 51 n/a n/a
1934 80 36 0.00 n/a
1933 n/a 44 0.00 n/a
1932 85 44 0.00 n/a
1931 73 41 0.04 n/a
1930 79 42 n/a n/a
1929 80 42 0.00 0.0
1928 81 44 0.00 0.0
1927 72 32 0.00 n/a
1926 80 36 0.00 n/a
1925 81 44 0.00 n/a
What's the all-time high for Twin Falls on 9/15?
For the date of Sep 15, the highest temperature ever reached in Twin Falls history is 95 °F which happened in 1990.
Highest Temperatures in Twin Falls on September 15
Rank Temperature Year
1 95 °F 1990
2 93 °F 2002
3 91 °F 1953
3 91 °F 1948
5 89 °F 1954
5 89 °F 2014
5 89 °F 2000
5 89 °F 1943
5 89 °F 1937
5 89 °F 1998
What's the all-time low for Twin Falls on 9/15?
For the date of Sep 15, the lowest temperature ever reached in Twin Falls history is 27 °F which happened in 1936.
Lowest Temperatures in Twin Falls on September 15
Rank Temperature Year
1 27 °F 1936
2 30 °F 1970
3 31 °F 1950
4 32 °F 1939
4 32 °F 1927
6 34 °F 1974
6 34 °F 1952
8 35 °F 1969
9 36 °F 1991
9 36 °F 1926
9 36 °F 1934
Lowest High Temperatures in Twin Falls on September 15
Rank Temperature Year
1 57 °F 1982
2 58 °F 2006
3 59 °F 1970
3 59 °F 1986
5 60 °F 1936
6 63 °F 2017
6 63 °F 1991
8 65 °F 2015
8 65 °F 1941
8 65 °F 1980
What's the most it has ever rained in Twin Falls on 9/15?
For the date of Sep 15, the most precipitation ever recorded in Twin Falls history is 0.23 inches which happened in 2015.
All-Time Most Precipitation in Twin Falls on September 15
Rank Precipitation Year
1 0.23 inches 2015
2 0.22 inches 1986
3 0.07 inches 1976
4 0.04 inches 2017
4 0.04 inches 1931
6 0.02 inches 1940
6 0.02 inches 1977
8 0.01 inches 2001
8 0.01 inches 2022
8 0.01 inches 1966
8 0.01 inches 2006
Weather Station Details
Years Station Coordinates
1998–2024 Magic Valley Regional Airport location
1977–1997 Twin Falls 6 E location
1925–1976 Twin Falls 3 SE location