Idaho Falls September 23 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of September 23.
September 23 All-Time Records
1948–2024
Highest temperature 88 °F 1987
Lowest temperature 23 °F 1985
Lowest daily high 47 °F 1961
Highest daily low 48 °F 1966
Most precipitation 1.01 inches 2016
September 23 Average Weather
1991–2020 1
Average high 71.4 °F
Average low 38.4 °F
Chance precipitation 20.8%
Idaho Falls September 23 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 63 35 0.00 n/a
2022 70 44 0.00 n/a
2021 74 42 0.00 n/a
2020 80 40 0.00 n/a
2019 72 36 0.00 n/a
2018 65 46 0.00 n/a
2017 55 28 0.00 n/a
2016 52 44 1.01 n/a
2015 83 41 0.00 n/a
2014 79 45 0.00 n/a
2013 n/a n/a n/a n/a
2012 79 44 0.00 n/a
2011 83 37 0.00 n/a
2010 72 40 0.00 n/a
2009 86 39 0.00 n/a
2008 65 41 0.00 n/a
2007 60 41 0.23 n/a
2006 57 30 0.00 n/a
2005 73 47 0.02 n/a
2004 62 32 0.00 n/a
2003 82 34 0.00 n/a
2002 74 30 0.00 n/a
2001 85 36 0.00 n/a
2000 49 26 0.00 n/a
1999 81 36 0.00 n/a
1998 71 38 0.00 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 74 32 0.00 0.0
1992 85 45 0.00 0.0
1991 69 34 0.00 0.0
1990 83 43 0.00 0.0
1989 79 40 0.00 0.0
1988 73 31 0.00 0.0
1987 88 40 0.00 0.0
1986 69 28 0.00 0.0
1985 58 23 0.00 0.0
1984 53 42 0.00 0.0
1983 80 41 0.00 0.0
1982 75 40 0.00 0.0
1981 66 35 0.00 0.0
1980 66 42 0.00 0.0
1979 78 36 0.00 0.0
1978 77 36 0.00 0.0
1977 58 33 0.00 0.0
1976 74 40 0.00 0.0
1975 78 33 0.00 0.0
1974 79 34 0.00 0.0
1973 58 45 0.89 0.0
1972 58 40 0.00 0.0
1971 73 29 0.00 0.0
1970 63 39 0.00 0.0
1969 80 38 0.00 0.0
1968 61 34 0.00 0.0
1967 83 41 0.00 0.0
1966 87 48 0.00 0.0
1965 58 31 0.00 0.0
1964 67 32 0.00 0.0
1963 68 46 0.08 0.0
1962 80 42 0.00 0.0
1961 47 31 0.00 0.0
1960 72 40 0.00 0.0
1959 66 32 0.00 0.0
1958 55 35 0.07 0.0
1957 78 34 0.00 0.0
1956 71 28 0.00 0.0
1955 69 29 0.00 0.0
1954 59 46 0.13 0.0
1953 72 41 0.00 0.0
1952 85 39 0.00 0.0
1951 69 36 0.00 0.0
1950 71 43 0.00 0.0
1949 85 38 0.00 0.0
1948 62 44 0.00 0.0
What's the all-time high for Idaho Falls on 9/23?
For the date of Sep 23, the highest temperature ever reached in Idaho Falls history is 88 °F which happened in 1987.
Highest Temperatures in Idaho Falls on September 23
Rank Temperature Year
1 88 °F 1987
2 87 °F 1966
3 86 °F 2009
4 85 °F 1992
4 85 °F 1952
4 85 °F 1949
4 85 °F 2001
8 83 °F 1990
8 83 °F 1967
8 83 °F 2015
8 83 °F 2011
What's the all-time low for Idaho Falls on 9/23?
For the date of Sep 23, the lowest temperature ever reached in Idaho Falls history is 23 °F which happened in 1985.
Lowest Temperatures in Idaho Falls on September 23
Rank Temperature Year
1 23 °F 1985
2 26 °F 2000
3 28 °F 2017
3 28 °F 1956
3 28 °F 1986
6 29 °F 1971
6 29 °F 1955
8 30 °F 2002
8 30 °F 2006
10 31 °F 1988
10 31 °F 1961
10 31 °F 1965
Lowest High Temperatures in Idaho Falls on September 23
Rank Temperature Year
1 47 °F 1961
2 49 °F 2000
3 52 °F 2016
4 53 °F 1984
5 55 °F 2017
5 55 °F 1958
7 57 °F 2006
8 58 °F 1985
8 58 °F 1972
8 58 °F 1977
8 58 °F 1973
8 58 °F 1965
What's the most it has ever rained in Idaho Falls on 9/23?
For the date of Sep 23, the most precipitation ever recorded in Idaho Falls history is 1.01 inches which happened in 2016.
All-Time Most Precipitation in Idaho Falls on September 23
Rank Precipitation Year
1 1.01 inches 2016
2 0.89 inches 1973
3 0.23 inches 2007
4 0.13 inches 1954
5 0.08 inches 1963
6 0.07 inches 1958
7 0.02 inches 2005
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location