Pocatello, ID: September

30 September 2026: September 2026 averaged 60.8°F in Pocatello, ID, the warmest September since 2025, tied 28th warmest of 88 (with 2021).

September 2026

Mean temperature: 60.8°F; Warmest since 2025; 28th warmest of 88
Precipitation: 0.81 in; Wettest since 2023; 39th wettest of 88

A normal September in Pocatello, ID (1991 to 2020): a mean temperature of 59.8°F, between 57°F and 62.2°F in eight years of ten and 0.79 in of precipitation, between 0.09 in and 1.69 in in eight years of ten.

The mean temperature of every September in Pocatello, ID since 1939: 60.8°F in 2026; the highest is 65.6°F, in 1990.

Normal range, 57 to 62.2°F

Every year, ranked, as a table

Every September in Pocatello, ID from 1939 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2026	60.8	28	76.9	41	44.7	19	0.81	39
2025	62	16	79.8	17	44.2	26	0.74	44
2024	62.4	11	80.3	12	44.5	22	0.49	51
2023	60.2	38	76.3	48	44.1	29	2.52	4
2022	64.5	4	83.1	3	45.8	10	1.09	27
2021	60.8	28	78.9	28	42.7	48	0.29	61
2020	60.6	31	80.9	8	40.3	76	0.55	47
2019	59.6	50	74.3	65	44.9	15	1.66	12
2018	60.2	38	79.8	17	40.6	73	trace	86
2017	58.9	57	74.5	64	43.2	40	2.95	3
2016	58.4	64	73	74	43.8	31	2.10	6
2015	62.6	9	80.2	14	44.9	15	0.82	36
2014	61.2	22	78.7	29	43.7	34	1.48	15
2013	62.2	13	76.3	48	48.2	2	0.77	42
2012	60.4	36	80.1	15	40.7	69	0.09	74
2011	61.2	22	81	7	41.4	60	0.24	66
2010	59.9	44	79.3	21	40.4	75	0.19	69
2009	62.2	13	81.1	6	43.2	40	0.98	30
2008	58.5	63	77.2	38	39.7	79	0.22	68
2007	58.6	61	75.2	58	41.9	56	1.24	23
2006	56.2	79	73.7	70	38.7	84	1.43	16
2005	57.9	70	75.7	54	40.1	78	0.82	36
2004	57	75	73.7	70	40.3	76	0.85	34
2003	58.6	61	76.5	45	40.7	69	0.48	52
2002	59.5	52	75.2	58	43.8	31	1.10	26
2001	62	16	80.7	10	43.3	39	0.50	48
2000	58.8	59	75.6	55	42	53	1.31	22
1999	56.7	76	75.3	56	38.2	86	0.02	83
1998	63.4	6	79.1	23	47.7	3	1.89	9
1997	61.4	20	76.4	46	46.3	6	1.67	11
1996	56	80	72.4	75	39.6	80	1.32	21
1995	59.9	44	77.7	35	42.1	51	0.50	48
1994	62.3	12	81.6	4	43	44	0.38	57
1993	57.5	71	76.2	50	38.8	83	0.27	64
1992	59.3	54	77	40	41.5	59	0.08	75
1991	60	42	76.9	41	43	44	0.66	45
1990	65.6	1	84.5	1	46.8	5	0.33	59
1989	59.8	47	78.1	34	41.4	60	0.48	52
1988	58	69	74.3	65	41.6	58	0.04	81
1987	60.7	30	80	16	41.3	65	0.00	88
1986	54	84	66.8	87	41.3	65	1.33	20
1985	54.2	83	67.7	85	40.7	69	1.42	17
1984	58.3	65	74.7	63	41.8	57	0.50	48
1983	60.2	38	75.8	53	44.5	22	1.64	13
1982	58.2	66	71.6	78	44.9	15	3.43	2
1981	61.4	20	79	25	43.8	31	0.08	75
1980	58.9	57	74.1	68	43.6	36	1.34	19
1979	64.7	2	83.7	2	45.6	11	0.23	67
1978	58.1	67	74	69	42.2	50	0.87	33
1977	59.7	48	75.1	62	44.2	26	0.99	28
1976	61	25	79.2	22	42.9	47	0.45	54
1975	60	42	79	25	40.9	68	0.03	82
1974	59.4	53	79.6	20	39.2	82	0.07	77
1973	57.3	73	71.9	77	42.7	48	2.29	5
1972	55.5	81	69.7	81	41.4	60	1.14	25
1971	52.6	87	67.9	83	37.4	87	2.06	7
1970	53.7	85	68.8	82	38.6	85	0.80	41
1969	62.1	15	78.3	32	45.9	9	0.14	71
1968	56.5	77	72.3	76	40.7	69	0.64	46
1967	61.7	18	79.8	17	43.5	37	0.14	71
1966	61.7	18	78.7	29	44.6	21	0.82	36
1965	51.8	88	67.1	86	36.5	88	0.85	34
1964	57.3	73	75.3	56	39.3	81	trace	86
1963	64.6	3	80.3	12	48.9	1	0.96	31
1962	60.5	35	77.7	35	43.2	40	0.40	56
1961	53.5	86	66.5	88	40.5	74	1.97	8
1960	62.7	8	79	25	46.3	6	0.16	70
1959	57.5	71	70.1	80	44.9	15	1.73	10
1958	59.7	48	75.2	58	44.2	26	0.33	59
1957	59.9	44	78.5	31	41.3	65	0.02	83
1956	60.6	31	79.1	23	42.1	51	0.13	73
1955	59.3	54	75.2	58	43.5	37	0.29	61
1954	59.6	50	76	52	43.1	43	0.38	57
1953	63.5	5	80.7	10	46.3	6	0.06	79
1952	62.5	10	81.4	5	43.7	34	0.06	79
1951	60.1	41	77.2	38	43	44	0.02	83
1950	59.1	56	73.2	72	45	13	0.81	39
1949	61.1	24	78.3	32	43.9	30	0.07	77
1948	60.9	26	77.4	37	44.3	24	1.39	18
1947	60.6	31	76.9	41	44.3	24	0.99	28
1946	58.1	67	74.2	67	42	53	0.89	32
1945	56.3	78	71.1	79	41.4	60	1.21	24
1944	58.8	59	76.2	50	41.4	60	0.25	65
1943	62.9	7	80.8	9	45	13	0.28	63
1942	60.9	26	76.6	44	45.1	12	1.63	14
1941	54.9	82	67.9	83	42	53	0.76	43
1940	60.4	36	73.2	72	47.6	4	3.80	1
1939	60.6	31	76.4	46	44.7	19	0.43	55

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1990	65.6
1979	64.7
1963	64.6
2022	64.5
1953	63.5
1998	63.4
1943	62.9
1960	62.7
2015	62.6
1952	62.5

Coldest
Year	Mean, °F
1965	51.8
1971	52.6
1961	53.5
1970	53.7
1986	54
1985	54.2
1941	54.9
1972	55.5
1996	56
2006	56.2

Wettest
Year	Precipitation, in
1940	3.80
1982	3.43
2017	2.95
2023	2.52
1973	2.29
2016	2.10
1971	2.06
1961	1.97
1998	1.89
1959	1.73

Driest
Year	Precipitation, in
1987	0.00
2018	trace
1964	trace
1999	0.02
1957	0.02
1951	0.02
1975	0.03
1988	0.04
1953	0.06
1952	0.06

The hottest, coldest and wettest days

Hottest day: 88°F; 6 September 2026
Coldest night: 30°F; 15 September 2026
Wettest day: 0.66 in; 17 September 2026

Every month, season and year

Months

Seasons

Years

Pocatello, ID the day's answers

All-time records

Every answer in words

September 2026 brought 0.81 in of precipitation in Pocatello, ID, the wettest September since 2023, tied 39th wettest of 88 (with 1950).
The hottest day of September 2026 in Pocatello, ID: 88°F on Sunday 6 September 2026.
The coldest night of September 2026 in Pocatello, ID: a low of 30°F on Tuesday 15 September 2026.
The wettest day of September 2026 in Pocatello, ID: 0.66 in on Thursday 17 September 2026.