Can't find what you're looking for? We're happy to answer your questions.

Boise September 19 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of September 19.
September 19 All-Time Records
1940–2022
Highest temperature 94 °F 2008
Lowest temperature 31 °F 1978
Lowest daily high 56 °F 1940
Highest daily low 62 °F 2009
Most precipitation 0.7 inches 1959
Most snow none -
September 19 Average Weather
1991–2020 1
Average high 78.4 °F
Average low 51.1 °F
Chance precipitation 14.4%
Chance snow 0%
Boise September 19 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2021 66 50 0.08 0.0
2020 74 54 0.00 0.0
2019 66 47 0.01 0.0
2018 74 45 0.00 0.0
2017 60 46 0.10 0.0
2016 83 53 0.00 0.0
2015 77 46 0.00 0.0
2014 79 57 0.00 0.0
2013 74 46 0.00 0.0
2012 84 53 0.00 0.0
2011 81 54 0.00 0.0
2010 80 57 0.00 0.0
2009 89 62 0.00 0.0
2008 94 61 0.02 0.0
2007 68 50 0.03 0.0
2006 65 47 0.02 0.0
2005 81 50 0.00 0.0
2004 66 47 0.00 0.0
2003 79 49 0.00 0.0
2002 76 45 0.00 0.0
2001 79 54 0.00 0.0
2000 81 59 0.00 0.0
1999 81 50 0.00 0.0
1998 67 50 0.00 0.0
1997 71 41 0.00 0.0
1996 64 50 0.00 0.0
1995 80 46 0.00 0.0
1994 86 50 0.00 0.0
1993 78 50 0.00 0.0
1992 77 49 0.00 0.0
1991 87 50 0.00 0.0
1990 80 46 0.00 0.0
1989 69 39 0.00 0.0
1988 63 49 0.14 0.0
1987 80 44 0.00 0.0
1986 58 43 0.14 0.0
1985 64 34 0.00 0.0
1984 87 58 0.00 0.0
1983 61 37 0.00 0.0
1982 73 49 0.44 0.0
1981 76 47 0.01 0.0
1980 70 44 0.00 0.0
1979 81 57 0.00 0.0
1978 62 31 0.00 0.0
1977 73 50 0.02 0.0
1976 70 53 0.00 0.0
1975 75 42 0.00 0.0
1974 84 46 0.00 0.0
1973 75 57 0.00 0.0
1972 73 45 0.02 0.0
1971 73 41 0.00 0.0
1970 64 49 0.48 0.0
1969 69 52 0.21 0.0
1968 61 44 0.00 0.0
1967 79 53 0.00 0.0
1966 76 50 0.00 0.0
1965 62 32 0.00 0.0
1964 68 33 0.00 0.0
1963 80 57 0.26 0.0
1962 82 48 0.00 0.0
1961 67 42 0.00 0.0
1960 87 47 0.00 0.0
1959 66 52 0.66 0.0
1958 76 49 0.00 0.0
1957 59 39 0.00 0.0
1956 86 59 0.00 0.0
1955 62 48 0.00 0.0
1954 73 40 0.00 0.0
1953 84 54 0.00 0.0
1952 90 55 0.00 0.0
1951 87 56 0.00 0.0
1950 73 47 0.00 0.0
1949 87 49 0.00 0.0
1948 76 50 0.00 0.0
1947 62 34 0.00 0.0
1946 76 43 0.00 0.0
1945 65 35 0.00 0.0
1944 66 35 0.00 0.0
1943 71 38 0.00 0.0
1942 69 38 0.00 0.0
1941 62 47 0.00 0.0
1940 56 48 0.14 0.0
All-Time Highest Temperatures in Boise on September 19
Rank Temperature Year
1 94 °F 2008
2 90 °F 1952
3 89 °F 2009
4 87 °F 1949
4 87 °F 1984
4 87 °F 1991
4 87 °F 1960
4 87 °F 1951
9 86 °F 1956
9 86 °F 1994
All-Time Lowest Temperatures in Boise on September 19
Rank Temperature Year
1 31 °F 1978
2 32 °F 1965
3 33 °F 1964
4 34 °F 1985
4 34 °F 1947
6 35 °F 1944
6 35 °F 1945
8 37 °F 1983
9 38 °F 1943
9 38 °F 1942
Lowest High Temperatures in Boise on September 19
Rank Temperature Year
1 56 °F 1940
2 58 °F 1986
3 59 °F 1957
4 60 °F 2017
5 61 °F 1968
5 61 °F 1983
7 62 °F 1978
7 62 °F 1965
7 62 °F 1955
7 62 °F 1941
7 62 °F 1947
All-Time Most Precipitation in Boise on September 19
Rank Precipitation Year
1 0.7 inches 1959
2 0.5 inches 1970
3 0.4 inches 1982
4 0.3 inches 1963
5 0.2 inches 1969
6 0.1 inches 1986
6 0.1 inches 1988
6 0.1 inches 1940
9 0.1 inches 2017
10 0.1 inches 2021
Weather Station Details
Years Station Coordinates
1940–2022 location