Average September Temperature in Bonners Ferry by Year

This page contains a list of the average monthly high and low temperatures in Bonners Ferry, Idaho for the month of September each year between 1907 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Bonners Ferry?

1967 was the warmest September in the history of Bonners Ferry, Idaho. The average daily high temperature was 81.0 °F, and the average low was 45.7 °F.

What Was the Coldest September Ever in Bonners Ferry?

1914 was the coolest September in the history of Bonners Ferry, Idaho. The average daily high temperature was 64.0 °F, and the average low was 37.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	14	73.8	47.9
2022	6	76.8	47.3
2021	32	72.0	45.1
2020	10	75.4	47.4
2019	28	69.7	48.5
2018	45	71.7	43.1
2017	19	73.8	47.0
2016	37	71.1	44.7
2015	42	71.6	43.6
2014	29	73.0	45.1
2013	8	72.9	50.0
2012	12	77.2	44.7
2011	5	77.3	47.2
2007	33	75.5	41.6
2005	60	70.5	41.8
2003	25	74.8	43.8
2002	55	72.2	41.6
2001	13	77.2	44.6
2000	72	67.9	41.3
1999	59	73.6	38.7
1998	3	78.7	46.8
1997	26	71.8	46.6
1996	68	67.6	42.1
1995	23	74.9	44.1
1994	17	77.8	43.3
1992	64	69.5	41.6
1991	43	75.2	39.7
1990	9	78.8	43.9
1989	51	74.6	39.9
1988	36	74.0	42.3
1987	15	80.1	41.3
1986	76	64.8	42.9
1985	82	65.2	40.6
1984	73	69.9	39.1
1983	70	69.9	39.5
1982	48	72.4	42.2
1981	41	74.3	40.9
1980	61	71.7	40.3
1979	22	77.5	41.5
1978	46	69.4	45.3
1977	71	66.7	42.6
1976	24	76.6	42.3
1975	47	74.3	40.2
1974	50	74.8	39.7
1973	40	72.9	42.4
1972	80	66.6	39.6
1971	81	67.2	38.9
1970	84	66.5	37.7
1969	39	71.2	44.1
1968	63	69.7	41.9
1967	1	81.0	45.7
1966	11	77.3	45.4
1965	85	64.4	37.8
1964	79	67.7	38.6
1963	7	77.4	45.8
1962	52	74.2	40.2
1961	77	68.3	38.5
1960	56	74.4	39.3
1959	69	65.8	43.8
1958	54	72.0	42.2
1957	31	77.0	40.8
1956	35	74.7	41.5
1954	62	69.7	41.9
1952	16	78.2	43.0
1951	58	71.8	41.3
1950	21	78.3	41.0
1949	38	74.5	41.3
1948	44	72.9	41.8
1947	49	70.5	44.1
1945	83	67.1	38.4
1944	18	75.7	45.3
1943	34	77.2	39.5
1942	27	75.2	43.1
1941	74	64.0	44.0
1940	4	76.8	48.1
1939	57	70.8	42.4
1938	2	79.1	46.5
1937	30	74.0	44.1
1915	65	68.5	42.4
1914	86	64.0	37.6
1913	75	71.1	36.7
1911	78	67.1	39.5
1910	66	70.0	40.3
1909	20	78.0	41.4
1908	53	74.1	40.2
1907	67	69.0	40.7

Weather Station Details

Years	Station	Coordinates
1907–2024	Bonners Ferry	location