Idaho Falls September 12 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of September 12.
September 12 All-Time Records
1948–2024
Highest temperature 91 °F 1990
Lowest temperature 24 °F 2014
Lowest daily high 51 °F 1978
Highest daily low 53 °F 1998
Most precipitation 0.81 inches 1998
September 12 Average Weather
1991–2020 1
Average high 76.1 °F
Average low 41.3 °F
Chance precipitation 17.1%
Idaho Falls September 12 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 45 0.00 n/a
2022 89 38 0.00 n/a
2021 81 44 0.00 n/a
2020 82 36 0.00 n/a
2019 67 36 0.00 n/a
2018 74 52 0.00 n/a
2017 89 45 0.00 n/a
2016 60 41 0.00 n/a
2015 86 41 0.00 n/a
2014 69 24 0.00 n/a
2013 n/a n/a n/a n/a
2012 73 37 0.00 n/a
2011 80 46 0.00 n/a
2010 80 35 0.00 n/a
2009 82 42 0.00 n/a
2008 75 33 0.00 n/a
2007 82 35 0.00 n/a
2006 84 40 0.00 n/a
2005 64 38 0.00 n/a
2004 72 45 0.21 n/a
2003 69 37 0.00 n/a
2002 78 49 0.00 n/a
2001 74 45 0.03 n/a
2000 80 42 0.00 n/a
1999 70 33 0.00 n/a
1998 62 53 0.81 n/a
1997 n/a n/a n/a n/a
1996 n/a n/a n/a n/a
1995 n/a n/a n/a n/a
1994 n/a n/a n/a n/a
1993 65 40 0.00 0.0
1992 72 44 0.00 0.0
1991 72 44 0.00 0.0
1990 91 49 0.00 0.0
1989 68 32 0.00 0.0
1988 67 29 0.00 0.0
1987 84 40 0.00 0.0
1986 77 41 0.00 0.0
1985 58 44 0.16 0.0
1984 72 48 0.00 0.0
1983 78 45 0.00 0.0
1982 60 42 0.40 0.0
1981 85 44 0.00 0.0
1980 67 49 0.00 0.0
1979 66 33 0.00 0.0
1978 51 36 0.11 0.0
1977 76 48 0.00 0.0
1976 71 48 0.03 0.0
1975 80 40 0.00 0.0
1974 60 35 0.00 0.0
1973 79 52 0.00 0.0
1972 63 36 0.00 0.0
1971 77 41 0.00 0.0
1970 60 34 0.00 0.0
1969 79 49 0.00 0.0
1968 82 50 0.00 0.0
1967 58 39 0.00 0.0
1966 80 47 0.00 0.0
1965 76 41 0.00 0.0
1964 80 34 0.00 0.0
1963 89 51 0.00 0.0
1962 66 46 0.00 0.0
1961 56 34 0.00 0.0
1960 85 41 0.00 0.0
1959 85 52 0.00 0.0
1958 74 52 0.42 0.0
1957 77 38 0.00 0.0
1956 80 49 0.00 0.0
1955 80 45 0.00 0.0
1954 82 49 0.00 0.0
1953 90 42 0.00 0.0
1952 66 37 0.00 0.0
1951 64 29 0.00 0.0
1950 70 34 0.00 0.0
1949 64 32 0.00 0.0
1948 82 40 0.00 0.0
What's the all-time high for Idaho Falls on 9/12?
For the date of Sep 12, the highest temperature ever reached in Idaho Falls history is 91 °F which happened in 1990.
Highest Temperatures in Idaho Falls on September 12
Rank Temperature Year
1 91 °F 1990
2 90 °F 1953
3 89 °F 2017
3 89 °F 2022
3 89 °F 1963
6 86 °F 2015
7 85 °F 1960
7 85 °F 1959
7 85 °F 1981
7 85 °F 2023
What's the all-time low for Idaho Falls on 9/12?
For the date of Sep 12, the lowest temperature ever reached in Idaho Falls history is 24 °F which happened in 2014.
Lowest Temperatures in Idaho Falls on September 12
Rank Temperature Year
1 24 °F 2014
2 29 °F 1951
2 29 °F 1988
4 32 °F 1949
4 32 °F 1989
6 33 °F 2008
6 33 °F 1999
6 33 °F 1979
9 34 °F 1970
9 34 °F 1961
9 34 °F 1950
9 34 °F 1964
Lowest High Temperatures in Idaho Falls on September 12
Rank Temperature Year
1 51 °F 1978
2 56 °F 1961
3 58 °F 1985
3 58 °F 1967
5 60 °F 2016
5 60 °F 1982
5 60 °F 1974
5 60 °F 1970
9 62 °F 1998
10 63 °F 1972
What's the most it has ever rained in Idaho Falls on 9/12?
For the date of Sep 12, the most precipitation ever recorded in Idaho Falls history is 0.81 inches which happened in 1998.
All-Time Most Precipitation in Idaho Falls on September 12
Rank Precipitation Year
1 0.81 inches 1998
2 0.42 inches 1958
3 0.40 inches 1982
4 0.21 inches 2004
5 0.16 inches 1985
6 0.11 inches 1978
7 0.03 inches 2001
7 0.03 inches 1976
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location