Average September Temperature in Olathe by Year

This page contains a list of the average monthly high and low temperatures in Olathe, Kansas for the month of September each year between 1893 and 2023. It is based on NOAA data.

Change:

Month:

What Was the Hottest September Ever in Olathe?

1931 was the warmest September in the history of Olathe, Kansas. The average daily high temperature was 88.5 °F, and the average low was 66.2 °F.

What Was the Coldest September Ever in Olathe?

1902 was the coolest September in the history of Olathe, Kansas. The average daily high temperature was 73.3 °F, and the average low was 51.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	12	86.6	59.5
2022	30	84.1	58.4
2021	14	84.0	61.4
2020	77	77.6	56.3
2019	3	85.1	66.2
2018	35	80.7	61.2
2017	32	81.9	60.4
2016	27	81.3	61.7
2015	18	82.0	62.6
2014	75	77.6	57.1
2013	33	83.0	59.3
2012	70	79.8	56.5
2011	90	77.8	53.2
2010	58	79.7	58.6
2009	83	76.5	56.3
2008	86	76.3	56.0
2007	36	82.8	59.1
2006	94	76.3	53.9
2005	28	81.9	61.0
2004	48	82.2	58.0
2003	95	76.8	53.2
2002	11	86.3	60.4
2001	78	77.9	55.9
2000	40	85.2	55.7
1999	93	76.2	54.1
1998	9	84.2	63.1
1997	62	79.8	57.7
1969	42	80.8	60.0
1968	61	80.6	57.1
1967	87	76.2	56.1
1966	96	74.2	55.7
1965	53	79.2	59.5
1964	60	79.4	58.7
1963	17	84.2	60.8
1962	92	74.4	56.1
1961	84	76.4	56.3
1960	20	83.8	60.5
1959	55	79.9	58.7
1958	54	78.6	60.0
1957	80	77.0	56.5
1956	25	86.6	56.8
1955	15	83.8	61.5
1954	5	87.0	62.3
1953	13	86.1	59.6
1952	43	83.6	57.1
1951	97	73.8	55.2
1950	81	76.8	56.6
1949	98	74.9	54.0
1948	31	82.5	59.9
1947	16	84.4	60.6
1946	74	78.8	56.5
1945	38	82.3	59.0
1944	56	78.9	59.5
1943	85	77.9	54.8
1942	79	76.5	57.2
1941	34	80.3	61.8
1940	59	80.0	58.2
1939	2	90.7	63.3
1938	29	83.6	59.3
1937	22	84.2	59.6
1936	10	83.2	63.9
1935	66	79.8	57.3
1934	89	76.7	54.8
1933	6	84.4	63.9
1932	72	79.4	56.4
1931	1	88.5	66.2
1930	24	83.0	60.6
1928	76	82.4	52.0
1927	47	82.2	58.0
1926	51	79.6	59.8
1923	46	83.0	57.5
1922	23	85.1	58.5
1921	8	85.3	62.3
1920	57	80.7	57.6
1919	21	86.0	58.1
1918	99	77.0	49.8
1917	69	81.5	54.8
1916	71	80.8	55.2
1915	63	79.5	58.0
1914	49	81.7	58.5
1913	50	82.5	57.2
1912	82	78.3	54.8
1911	7	84.8	63.3
1910	64	78.5	58.7
1909	67	79.8	56.9
1908	45	83.1	57.5
1907	68	79.9	56.8
1906	39	80.4	60.8
1904	44	81.1	59.5
1903	91	77.2	53.7
1902	100	73.3	51.6
1901	65	78.8	58.4
1900	26	82.3	61.0
1899	52	83.1	55.9
1898	37	81.8	59.7
1897	4	90.2	59.7
1896	88	77.7	54.2
1895	19	84.0	60.5
1894	73	79.8	56.0
1893	41	84.4	56.5

Weather Station Details

Years	Station	Coordinates
1948–2024	Olathe Johnson County Airport	location
1893–1947	Olathe 3E	location