Average September Temperature in Pocatello by Year

This page contains a list of the average monthly high and low temperatures in Pocatello, Idaho for the month of September each year between 1939 and 2023. It is based on NOAA data.

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What Was the Hottest September Ever in Pocatello?

1990 was the warmest September in the history of Pocatello, Idaho. The average daily high temperature was 84.5 °F, and the average low was 46.8 °F.

What Was the Coldest September Ever in Pocatello?

1965 was the coolest September in the history of Pocatello, Idaho. The average daily high temperature was 67.1 °F, and the average low was 36.5 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	35	76.3	44.1
2022	4	83.1	45.8
2021	25	78.9	42.8
2020	30	80.9	40.3
2019	47	74.3	44.9
2018	36	79.8	40.6
2017	54	74.5	43.2
2016	61	73.0	43.8
2015	9	80.2	44.9
2014	20	78.7	43.8
2013	12	76.3	48.2
2012	33	80.1	40.7
2011	21	81.0	41.4
2010	43	79.3	40.4
2009	13	81.1	43.2
2008	60	77.2	39.7
2007	59	75.2	41.9
2006	76	73.8	38.7
2005	67	75.7	40.1
2004	72	73.7	40.3
2003	58	76.5	40.7
2002	49	75.2	43.8
2001	15	80.7	43.3
2000	57	75.6	42.0
1999	73	75.3	38.2
1998	6	79.1	47.7
1997	19	76.4	46.3
1996	77	72.4	39.6
1995	42	77.7	42.1
1994	11	81.6	43.0
1993	69	76.2	38.8
1992	52	77.0	41.5
1991	40	76.9	43.0
1990	1	84.5	46.8
1989	44	78.1	41.4
1988	66	74.3	41.6
1987	27	80.0	41.3
1986	81	66.8	41.3
1985	80	67.7	40.7
1984	62	74.7	41.8
1983	37	75.8	44.5
1982	63	71.6	44.9
1981	18	79.0	43.8
1980	55	74.1	43.6
1979	2	83.7	45.6
1978	65	74.0	42.2
1977	46	75.1	44.2
1976	23	79.2	42.9
1975	39	79.0	40.9
1974	50	79.6	39.2
1973	71	71.9	42.7
1972	78	69.7	41.4
1971	84	67.9	37.4
1970	82	68.8	38.6
1969	14	78.3	45.9
1968	74	72.4	40.7
1967	16	79.8	43.5
1966	17	78.7	44.6
1965	85	67.1	36.5
1964	70	75.3	39.3
1963	3	80.3	48.9
1962	32	77.7	43.2
1961	83	66.5	40.5
1960	8	79.0	46.3
1959	68	70.1	44.9
1958	45	75.2	44.2
1957	41	78.5	41.3
1956	29	79.1	42.1
1955	51	75.2	43.5
1954	48	76.0	43.1
1953	5	80.7	46.3
1952	10	81.4	43.7
1951	38	77.2	43.0
1950	53	73.2	45.0
1949	22	78.3	43.9
1948	26	77.4	44.3
1947	28	76.9	44.3
1946	64	74.2	42.0
1945	75	71.1	41.4
1944	56	76.2	41.4
1943	7	80.8	45.0
1942	24	76.6	45.1
1941	79	67.9	42.0
1940	34	73.2	47.6
1939	31	76.4	44.7

Weather Station Details

Years	Station	Coordinates
1939–2024	Pocatello Regional Airport	location