Salmon, ID: September

30 September 2026: September 2026 averaged 58.2°F in Salmon, ID, the warmest September since 2025, tied 32nd warmest of 106 (with 1975 and 1935).

September 2026

Mean temperature: 58.2°F; Warmest since 2025; 32nd warmest of 106
Precipitation: 2.02 in; Wettest since 1986; 6th wettest of 114

A normal September in Salmon, ID (1991 to 2020): a mean temperature of 57.6°F, between 55°F and 61.1°F in eight years of ten and 0.55 in of precipitation, between 0.10 in and 1.45 in in eight years of ten.

The mean temperature of every September in Salmon, ID since 1906: 58.2°F in 2026; the highest is 63.4°F, in 1990.

Normal range, 55 to 61.1°F

Every year, ranked, as a table

Every September in Salmon, ID from 1906 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	Days missing
2026	58.2	32	74.9	60	41.5	23	2.02	6	0
2025	60.2	14	78.6	24	41.8	17	1.34	19	0
2024	60.6	8	78.7	22	42.5	12	1.26	24	0
2023	58.6	30	75.3	56	41.8	17	1.23	25	0
2022	59.8	18	79.4	18	40.3	39	0.20	90	0
2021	57.3	56	78	28	36.6	83	0.10	100	0
2020	56.8	62	76.9	41	36.8	79	0.12	99	0
2019	59.1	24	74.5	65	43.6	6			0
2018	56.5	68	74.5	65	38.5	57	0.26	85	0
2017	55.2	84	69.1	101	41.3	26			0
2016	54.8	88	69.4	100	40.3	39	0.34	80	0
2015	57.4	52	73.5	78	41.3	26	1.72	14	0
2014	57.4	52	73.6	77	41.2	28	0.42	73	0
2013	58.7	29	72.8	82	44.5	3	1.46	16	0
2012	57	59	74.7	62	39.3	47	0.07	104	0
2011	59.1	24	77.7	31	40.6	35	0.33	81	0
2010	55.9	79	71.6	91	40.2	41	1.74	10	0
2009	61	7	80.2	13	41.8	17	0.37	77	0
2008	54.9	86	71.9	87	38	63	0.28	84	0
2007	55.7	80	71.1	96	40.4	37	1.07	36	3
2006	55.1	85	71.5	93	38.8	53	0.80	48	0
2005			72.8	82			0.56	62	9
2004	54.8	88	69.5	99	40.4	37	1.34	19	1
2003	58.9	28	75.1	58	42.3	14	0.38	76	2
2002	57.7	47	74.5	65	41	32	0.46	68	2
2001			79.6	15			1.18	28	10
2000									5
1999	57.6	48	74.6	63	40.5	36	0.64	58	1
1998	62.4	3	78.4	26	46.8	1	1.29	23	3
1997	62	4	79.2	19	44.6	2	1.45	17	1
1996	58	40	74.3	69	41.4	24	0.63	59	1
1995	59.3	22	75.9	53	42.8	10	0.49	66	0
1994	61.2	5	81.3	9	41.2	28	0.03	108	0
1993	57.9	41	77.8	29	38	63	0.04	107	0
1992	57	59	74.9	60	39.1	48	0.67	54	0
1991	60.6	8	78.7	22	42.5	12	0.55	65	0
1990	63.4	1	83.5	2	43.2	7	0.32	82	0
1989	58.1	35	77.7	31	38.4	58	0.18	93	0
1988	57.8	43	76.7	44	38.8	53	0.13	97	0
1987	60.5	11	80.9	10	40.1	42	0.05	106	0
1986	53.7	98	66.2	107	41.1	31	2.15	5	0
1985	54	97	68	102	40	43	2.19	4	0
1984	55.5	83	72.6	84	38.4	58	0.40	74	0
1983	57.5	49	74.3	69	40.7	34	0.95	41	0
1982	57.8	43	73.8	74	41.9	15	1.66	15	0
1981	60.4	12	78.9	21	41.8	17	0.56	62	0
1980	59	27	75.2	57	42.8	10	1.11	32	0
1979	63.2	2	84.6	1	41.7	22	trace	113	0
1978	57.9	41	74	72	41.8	17	1.09	33	0
1977	57.4	52	73.5	78	41.2	28	1.73	12	0
1976	59.3	22	76.7	44	41.9	15	1.74	10	0
1975	58.2	32	78.6	24	37.8	67	0.09	103	0
1974	59.5	20	80.4	12	38.6	56	0.02	112	0
1973	57.5	49	74	72	41	32	0.84	46	0
1972	54.7	91	72.1	86	37.2	76	0.46	68	1
1971	53.7	98	70.5	98	37	78	0.40	74	0
1970	52.4	101	67.9	103	36.8	79	1.19	27	0
1969	58.1	35	76.6	47	39.7	46	0.67	54	0
1968	55.7	80	71.4	95	40	43	0.32	82	1
1967	60.6	8	79.8	14	41.4	24	0.73	53	0
1966	60.2	14	77.3	37	43.2	7	1.84	8	0
1965	50	103	63.8	109	36.1	89	1.04	37	0
1964	54.8	88	71.8	89	37.9	66	0.03	108	0
1963	60.4	12	76.3	50	44.5	3	1.08	35	0
1962	58.1	35	77.3	37	38.8	53	0.20	90	0
1961	52	102	66.9	105	37.1	77	1.22	26	0
1960	58.1	35	77.8	29	38.1	61	0.63	59	1
1959	54.4	92	71.5	93	37.4	73	1.73	12	0
1958	56.6	66	75.8	54	37.3	74	0.24	86	0
1957	57.4	52	79.1	20	35.7	94	0.13	97	0
1956	56.2	72	77.6	34	34.7	98	0.56	62	0
1955	56.6	66	75.5	55	37.6	71	0.35	79	0
1954	56.8	62	76.8	43	36.8	79	0.22	87	0
1953	59.7	19	81.6	7	37.8	67	0.18	93	0
1952	60	17	82.6	3	37.3	74	0.07	104	0
1951	56.3	71	76.3	50	36.2	87	0.03	108	0
1950	56.2	72	73.4	80	38.9	50	1.39	18	0
1949	57.2	58	76.4	49	38.1	61	0.74	52	0
1948	56.5	68	77.2	39	35.7	94	1.09	33	0
1947	56.1	74	74.1	71	38	63	1.16	30	0
1946	54.1	95	71.9	87	36.2	87	2.24	3	0
1945	54.2	94	73.7	75	34.6	99	0.77	50	0
1944	57.8	43	78.1	27	37.5	72	0.62	61	2
1943									7
1942	56.5	68	76.9	41	36	91	0.22	87	0
1941	49.8	104	65.2	108	34.4	102	0.77	50	0
1940	57.8	43	71.8	89	43.8	5	3.12	1	0
1939	56	76	77.7	31	34.4	102	0.79	49	0
1938	61.2	5	82.5	4	39.9	45	0.16	95	0
1937	58.3	31	80.8	11	35.8	92	0.86	45	0
1936			76.2	52			1.12	31	24
1935	58.2	32	81.6	7	34.8	97	0.00	114	0
1934	54.1	95	73.7	75	34.6	99	0.46	68	1
1933	54.4	92	75.1	58	33.6	104	0.36	78	0
1932	56	76	77.4	35	34.5	101	0.10	100	0
1931									4
1930	58.1	35	79.6	15	36.6	83	1.18	28	1
1929							1.04	37	6
1928							0.46	68	11
1927							2.27	2	13
1926	49.6	105	67.7	104	31.6	105	0.66	56	3
1925							1.76	9	6
1924							0.10	100	13
1923	59.1	24	82	6	36.1	89	0.43	72	2
1922							0.03	108	5
1921							0.94	42	6
1920									16
1919	59.4	21	79.6	15	39.1	48	0.81	47	2
1917	60.2	14	82.3	5	38.2	60	1.00	40	0
1916	57	59	77.4	35	36.6	83	0.20	90	0
1915	55.6	82	72.3	85	38.9	50	0.89	43	0
1914	56	76	76.5	48	35.4	96	0.47	67	0
1913	57.5	49	77.2	39	37.7	70	0.65	57	0
1912	48.3	106	66.9	105	29.7	106	1.04	37	0
1911	53.3	100	71.1	96	35.8	92	1.31	22	1
1910	56.7	64	74.6	63	38.9	50	0.88	44	0
1909	57.3	56	71.6	91	43	9	1.85	7	1
1908	56.1	74	74.4	68	37.8	67	1.33	21	0
1907	54.9	86	73	81	36.8	79	0.21	89	0
1906	56.7	64	76.7	44	36.6	83	0.15	96	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1990	63.4
1979	63.2
1998	62.4
1997	62
1994	61.2
1938	61.2
2009	61
2024	60.6
1991	60.6
1967	60.6

Coldest
Year	Mean, °F
1912	48.3
1926	49.6
1941	49.8
1965	50
1961	52
1970	52.4
1911	53.3
1986	53.7
1971	53.7
1985	54

Wettest
Year	Precipitation, in
1940	3.12
1927	2.27
1946	2.24
1985	2.19
1986	2.15
2026	2.02
1909	1.85
1966	1.84
1925	1.76
2010	1.74
More years share the last value

Driest
Year	Precipitation, in
1935	0.00
1979	trace
1974	0.02
1994	0.03
1964	0.03
1951	0.03
1922	0.03
1993	0.04
1987	0.05
2012	0.07
More years share the last value

The hottest, coldest and wettest days

Hottest day: 88°F; 11 September 2026
Coldest night: 32°F; 15 September 2026
Wettest day: 1.00 in; 2 September 2026

Every month, season and year

Months

Seasons

Years

Salmon, ID the day's answers

All-time records

Every answer in words

September 2026 brought 2.02 in of precipitation in Salmon, ID, the wettest September since 1986 (2000 excluded: 8 of 30 days missing; 2017 excluded: 4 of 30 days missing; 2019 excluded: 4 of 30 days missing), 6th wettest of 114.
The hottest day of September 2026 in Salmon, ID: 88°F on Friday 11 September 2026.
The coldest night of September 2026 in Salmon, ID: a low of 32°F on Tuesday 15 September 2026.
The wettest day of September 2026 in Salmon, ID: 1.00 in on Wednesday 2 September 2026.