Olathe September 20 Weather Records

Daily averages and all-time records for weather in Olathe, Kansas for the date of September 20.
September 20 All-Time Records
1893–2024
Highest temperature 99 °F 2022
Lowest temperature 33 °F 1918
Lowest daily high 55 °F 1896
Highest daily low 75 °F 1931
Most precipitation 1.57 inches 1947
September 20 Average Weather
1991–2020 1
Average high 78.6 °F
Average low 56.4 °F
Chance precipitation 30.2%
Olathe September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 62 0.00 n/a
2022 99 67 0.00 n/a
2021 88 60 0.27 n/a
2020 75 52 0.00 n/a
2019 83 70 0.00 n/a
2018 92 73 0.00 n/a
2017 88 73 0.00 n/a
2016 92 71 0.00 n/a
2015 75 53 0.00 n/a
2014 85 65 0.00 n/a
2013 70 54 0.00 0.0
2012 77 51 0.00 0.0
2011 83 53 0.00 n/a
2010 90 69 0.00 n/a
2009 79 64 0.00 n/a
2008 81 55 0.00 n/a
2007 87 67 0.00 n/a
2006 75 45 0.00 n/a
2005 88 64 0.01 n/a
2004 82 58 0.00 n/a
2003 73 43 0.00 n/a
2002 78 57 0.00 n/a
2001 83 57 0.00 n/a
2000 68 49 0.25 n/a
1999 62 45 0.01 n/a
1998 83 66 0.93 n/a
1997 66 51 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 n/a n/a n/a n/a
1992 n/a n/a n/a n/a
1991 n/a n/a n/a n/a
1990 n/a n/a n/a n/a
1989 n/a n/a n/a n/a
1988 n/a n/a n/a n/a
1987 n/a n/a n/a n/a
1986 n/a n/a n/a n/a
1985 n/a n/a n/a n/a
1984 n/a n/a n/a n/a
1983 n/a n/a n/a n/a
1982 n/a n/a n/a n/a
1981 n/a n/a n/a n/a
1980 n/a n/a n/a n/a
1979 n/a n/a n/a n/a
1978 n/a n/a n/a n/a
1977 n/a n/a n/a n/a
1976 n/a n/a n/a n/a
1975 n/a n/a n/a n/a
1974 n/a n/a n/a n/a
1973 n/a n/a n/a n/a
1972 n/a n/a n/a n/a
1971 n/a n/a n/a n/a
1970 n/a n/a n/a n/a
1969 78 54 0.00 0.0
1968 89 57 0.00 0.0
1967 76 66 0.44 0.0
1966 74 54 0.00 0.0
1965 78 65 1.32 0.0
1964 75 60 0.03 0.0
1963 92 64 0.00 0.0
1962 65 42 0.00 0.0
1961 69 58 0.10 0.0
1960 90 59 0.00 0.0
1959 87 69 0.00 0.0
1958 76 63 0.00 0.0
1957 65 56 n/a 0.0
1956 81 47 n/a n/a
1955 86 69 n/a n/a
1954 88 65 0.00 0.0
1953 80 56 0.00 0.0
1952 60 52 0.22 0.0
1951 83 63 0.00 0.0
1950 81 66 0.00 0.0
1949 85 57 0.00 0.0
1948 93 70 0.00 0.0
1947 80 61 1.57 0.0
1946 72 47 0.22 0.0
1945 80 47 n/a n/a
1944 93 67 0.22 0.0
1943 70 45 n/a 0.0
1942 67 40 0.00 0.0
1941 88 70 0.00 0.0
1940 89 65 0.00 0.0
1939 83 58 0.00 0.0
1938 71 39 0.00 n/a
1937 85 50 0.00 n/a
1936 87 70 0.00 0.0
1935 88 62 0.00 0.0
1934 80 57 0.20 0.0
1933 81 50 0.00 0.0
1932 79 60 0.00 0.0
1931 95 75 0.00 0.0
1930 76 55 0.00 0.0
1929 n/a n/a n/a n/a
1928 87 56 n/a 0.0
1927 72 42 n/a 0.0
1926 90 67 n/a 0.0
1925 n/a 68 n/a 0.0
1924 n/a 57 0.00 0.0
1923 70 56 0.00 0.0
1922 57 54 0.00 0.0
1921 85 70 0.00 n/a
1920 90 60 0.00 0.0
1919 85 69 0.00 n/a
1918 63 33 0.00 n/a
1917 77 55 0.00 n/a
1916 87 58 0.00 n/a
1915 75 56 0.00 n/a
1914 82 65 0.00 n/a
1913 65 48 0.00 n/a
1912 80 52 0.19 n/a
1911 62 55 0.72 n/a
1910 86 63 0.00 n/a
1909 87 61 0.00 n/a
1908 88 63 0.00 n/a
1907 79 64 0.22 n/a
1906 78 58 0.00 n/a
1905 n/a n/a n/a n/a
1904 80 55 0.00 n/a
1903 78 52 n/a n/a
1902 70 59 n/a n/a
1901 63 37 n/a n/a
1900 82 47 n/a n/a
1899 73 45 n/a n/a
1898 88 62 n/a n/a
1897 74 42 0.00 n/a
1896 55 38 0.00 n/a
1895 90 72 0.00 n/a
1894 81 55 0.22 n/a
1893 93 67 0.00 n/a
What's the all-time high for Olathe on 9/20?
For the date of Sep 20, the highest temperature ever reached in Olathe history is 99 °F which happened in 2022.
Highest Temperatures in Olathe on September 20
Rank Temperature Year
1 99 °F 2022
2 95 °F 1931
3 93 °F 1948
3 93 °F 1944
3 93 °F 1893
6 92 °F 2018
6 92 °F 1963
6 92 °F 2016
9 90 °F 1920
9 90 °F 1895
9 90 °F 2010
9 90 °F 1960
9 90 °F 1926
What's the all-time low for Olathe on 9/20?
For the date of Sep 20, the lowest temperature ever reached in Olathe history is 33 °F which happened in 1918.
Lowest Temperatures in Olathe on September 20
Rank Temperature Year
1 33 °F 1918
2 37 °F 1901
3 38 °F 1896
4 39 °F 1938
5 40 °F 1942
6 42 °F 1897
6 42 °F 1927
6 42 °F 1962
9 43 °F 2003
10 45 °F 1899
10 45 °F 1943
10 45 °F 2006
10 45 °F 1999
Lowest High Temperatures in Olathe on September 20
Rank Temperature Year
1 55 °F 1896
2 57 °F 1922
3 60 °F 1952
4 62 °F 1911
4 62 °F 1999
6 63 °F 1918
6 63 °F 1901
8 65 °F 1913
8 65 °F 1962
8 65 °F 1957
What's the most it has ever rained in Olathe on 9/20?
For the date of Sep 20, the most precipitation ever recorded in Olathe history is 1.57 inches which happened in 1947.
All-Time Most Precipitation in Olathe on September 20
Rank Precipitation Year
1 1.57 inches 1947
2 1.32 inches 1965
3 0.93 inches 1998
4 0.72 inches 1911
5 0.44 inches 1967
6 0.27 inches 2021
7 0.25 inches 2000
8 0.22 inches 1944
8 0.22 inches 1952
8 0.22 inches 1907
8 0.22 inches 1946
8 0.22 inches 1894
Weather Station Details
Years Station Coordinates
1948–2024 Olathe Johnson County Airport location
1893–1947 Olathe 3E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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