Helena, MT: Fall

9 October 2026: Fall 2026 so far averaged 59.8°F in Helena, MT, the warmest 1 September to 9 October since 2025, 15th warmest of 147.

Fall 2026 so far, to 9 October 2026

Mean temperature: 59.8°F; Warmest since 2025; 15th warmest of 147
Precipitation: 1.38 in; Wettest since 2023; 60th wettest of 146

A normal 1 September to 9 October in Helena, MT (1991 to 2020): a mean temperature of 56.5°F, between 53.2°F and 59°F in eight years of ten and 1.23 in of precipitation, between 0.36 in and 2.20 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Helena, MT since 1880: 59.8°F in 2026; the highest is 62.6°F, in 2024.

Normal range, 53.2 to 59°F

Every year, ranked, as a table

Every 1 September to 9 October in Helena, MT from 1880 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	59.8	15	73.9	21	45.6	14	1.38	60	0
2025	60.7	8	75.5	11	45.9	9	1.01	85	0
2024	62.6	1	77.8	1	47.4	5	1.23	68	0
2023	60.2	11	73.2	24	47.2	6	2.77	18	0
2022	62.2	2	76	8	48.4	2	2.70	20	0
2021	61.2	6	77.4	2	45.1	21	0.04	146	1
2020	61.2	6	77.2	3	45.2	18	0.25	133	0
2019	55.3	69	66.8	89	43.8	42	3.45	3	0
2018	53.9	93	66.3	98	41.6	78	1.22	70	0
2017	54.3	87	67.3	83	41.4	84	2.33	29	0
2016	56.3	50	68.1	71	44.6	24	1.70	46	0
2015	58.9	19	72.8	29	45	22	2.19	33	0
2014	58.1	24	71.7	35	44.5	26	1.24	67	0
2013	57.9	29	70.7	42	45.2	18	1.72	45	0
2012	57.5	32	73.1	26	41.9	70	0.09	144	0
2011	59.9	14	75.7	9	44.1	34	0.37	123	0
2010	57.3	35	70.8	40	43.8	42	1.11	77	0
2009	58.1	24	73.3	22	42.9	52	1.03	81	0
2008	56	60	70.5	47	41.4	84	0.78	101	0
2007	56	60	69.5	55	42.5	58	2.46	27	0
2006	57.5	32	71	37	43.9	40	1.88	40	0
2005	55.5	64	69.1	59	41.9	70	1.40	59	0
2004	55.7	63	68.6	66	42.8	55	1.76	43	0
2003	58.9	19	72.9	28	44.9	23	0.74	104	0
2002	56.6	41	69.1	59	44	37	1.23	68	0
2001	61.7	4	76.7	4	46.7	7	1.38	60	0
2000	53.2	99	67.1	86	39.3	115	0.85	93	0
1999	51.6	127	67.4	81	35.9	142	0.54	114	0
1998	58.7	21	75	14	42.3	64	0.83	97	0
1997	56.4	46	72.7	30	40.1	105	0.95	89	0
1996	55	77	70.2	50	39.7	111	0.51	116	0
1995	53.1	101	67.7	77	38.5	128	1.64	51	0
1994	58.5	22	75.7	9	41.2	88	0.28	130	0
1993	52.6	110	66.7	92	38.5	128	1.69	47	0
1992	55.4	67	70.4	48	40.4	102	0.81	98	0
1991	56.8	40	71.9	33	41.7	75	1.26	65	0
1990	60.2	11	76.7	4	43.6	46	0.14	140	0
1989	53.5	96	68	73	38.9	123	1.49	54	0
1988	55.8	62	71	37	40.6	97	2.09	34	0
1987	58.3	23	75.4	13	41.1	90	0.80	100	0
1986	50.7	132	60.8	138	40.5	99	2.47	26	0
1985	46.3	147	56.9	147	35.8	144	2.82	16	0
1984	52.9	103	67	88	38.8	126	0.73	106	0
1983	52.2	116	64.7	114	39.6	112	1.63	52	0
1982	52.9	103	65.4	109	40.4	102	2.89	15	0
1981	56.3	50	72	32	40.6	97	0.96	88	0
1980	56.6	41	70.7	42	42.4	62	2.57	22	0
1979	59.2	17	76.6	6	41.8	74	0.12	142	0
1978	56.1	56	70.8	40	41.5	80	1.11	77	0
1977	53.3	98	67.2	85	39.3	115	2.00	37	0
1976	56.1	56	71.1	36	41.1	90	1.85	41	0
1975	53.2	99	68.9	63	37.5	137	0.78	101	0
1974	51.8	125	67.4	81	36.3	140	0.34	127	0
1973	51.9	120	65.5	107	38.3	130	0.47	119	0
1972	50.5	135	65.1	111	35.9	142	0.08	145	0
1971	50.1	138	63.9	119	36.3	140	0.89	91	0
1970	49.8	140	64.7	114	34.9	147	0.85	93	0
1969	55.2	71	69.1	59	41.2	88	0.58	113	0
1968	52.9	103	66.4	97	39.4	114	2.22	32	0
1967	59	18	74.5	18	43.4	48	1.98	39	0
1966	60.2	11	76.4	7	44	37	0.74	104	0
1965	48	144	60.1	139	35.8	144	3.37	5	0
1964	52.8	107	67.3	83	38.3	130	0.17	137	0
1963	60.3	9	75.5	11	45.2	18	2.03	36	0
1962	54.2	89	69.1	59	39.3	115	0.33	128	0
1961	48.9	142	62	131	35.7	146	1.16	74	0
1960	56.1	56	72.4	31	39.8	107	0.22	134	0
1959	50.8	131	63.9	119	37.7	136	0.89	91	0
1958	55.3	69	69.6	54	40.9	94	0.49	117	0
1957	52.6	110	66	103	39.2	120	2.27	31	0
1956	56.6	41	73.3	22	39.8	107	0.18	135	0
1955	53.9	93	68.2	70	39.5	113	0.26	132	0
1954	52.9	103	67.6	78	38.2	133	0.65	112	0
1953	57.6	31	74.8	15	40.5	99	0.36	124	0
1952	56.9	39	74.7	16	39.2	120	0.18	135	0
1951	51.9	120	64.7	114	39.2	120	1.17	73	0
1950	51.5	128	64.7	114	38.3	130	1.03	81	0
1949	52.2	116	66.6	94	37.9	134	1.20	71	0
1948	54.8	80	70.4	48	39.3	115	0.31	129	0
1947	55.2	71	67.5	79	42.9	52	3.32	6	0
1946	51.9	120	63.6	121	40.2	104	3.22	7	0
1945	53.4	97	68	73	38.8	126	1.46	56	0
1944	54.4	84	69.5	55	39.3	115	0.84	95	0
1943	57.3	35	74.7	16	40	106	1.02	84	0
1942	56.2	55	70.9	39	41.6	78	0.68	109	0
1941	48.2	143	59.1	143	37.3	138	3.15	9	0
1940	58.1	24	70.7	42	45.4	16	2.04	35	0
1939	54.7	81	66.6	94	42.8	55	1.59	53	0
1938	61.8	3	74.5	18	49.1	1	1.33	62	0
1937	56.3	50	68	73	44.5	26	2.53	24	0
1936	55.5	64	67.9	76	43.1	50	1.00	86	0
1935	58.1	24	71.8	34	44.5	26	0.35	125	0
1934	52.7	109	64	118	41.5	80	0.72	107	0
1933	55.5	64	68.1	71	43	51	0.66	111	0
1932	55.2	71	68.3	69	42	68	0.45	120	0
1931	55	77	66.1	102	43.9	40	1.18	72	0
1930	56.4	46	66.8	89	45.9	9	1.69	47	0
1929	50.9	129	62	131	39.8	107	1.73	44	0
1928	55.2	71	67.5	79	42.9	52	0.15	139	0
1927	51.9	120	62.4	128	41.4	84	0.99	87	0
1926	47.2	146	57.4	146	37.1	139	2.76	19	0
1925	49.9	139	60	141	39.8	107	3.63	2	0
1924	54.3	87	66.8	89	41.9	70	1.46	56	0
1923	56.3	50	68.6	66	44.1	34	1.03	81	0
1922	59.5	16	73.1	26	45.9	9	0.54	114	0
1921	51.9	120	63.3	125	40.5	99	1.09	79	0
1920	56.4	46	68.7	65	44.1	34	1.49	54	0
1919	54	91	65.5	107	42.5	58	0.84	95	0
1918	55.2	71	66.7	92	43.7	45	1.84	42	0
1917	58	28	70.7	42	45.3	17	1.45	58	0
1916	50.4	136	61.9	133	38.9	123	3.18	8	0
1915	50.9	129	61.1	136	40.7	96	2.40	28	0
1914	52.3	115	63.2	126	41.5	80	3.39	4	0
1913	54	91	66.3	98	41.7	75	1.26	65	0
1912	47.8	145	57.7	145	37.9	134	2.78	17	0
1911	50.6	133	62.2	130	38.9	123	3.00	12	0
1910	52.6	110	63.5	122	41.7	75	2.00	37	0
1909	54.5	83	65	113	44	37	2.28	30	0
1908	54.7	81	66.2	100	43.2	49	3.09	11	0
1907	53.9	93	65.6	106	42.2	66	1.33	62	0
1906	57.1	38	69.7	53	44.5	26	1.30	64	0
1905	57.9	29	69.9	52	45.9	9	0.39	121	0
1904	57.3	35	70.1	51	44.6	24	0.27	131	0
1903	53	102	63.5	122	42.4	62	1.15	75	0
1902	54.9	79	67.1	86	42.7	57	0.39	121	0
1901	50.3	137	59.3	142	41.4	84	2.63	21	0
1900	50.6	133	60.1	139	41.1	90	2.50	25	0
1899	57.4	34	69.3	58	45.5	15	0.75	103	0
1898	52.2	116	63.5	122	40.9	94	0.94	90	0
1897	56.6	41	68.8	64	44.5	26	0.70	108	0
1896	51.7	126	61.9	133	41.5	80	2.54	23	0
1895	52.6	110	63.2	126	41.9	70	0.67	110	0
1894	52.4	114	62.3	129	42.5	58	1.69	47	0
1893	52.1	119	61.8	135	42.5	58	3.12	10	0
1892	60.3	9	73.2	24	47.5	4	0.35	125	0
1891	55.2	71	66.2	100	44.2	33	0.81	98	0
1890	54.4	84	65.4	109	43.5	47	1.08	80	0
1889	56.4	46	68.5	68	44.4	32	0.48	118	0
1888	61.3	5	74.3	20	48.3	3	0.16	138	0
1887	54.4	84	66.6	94	42.1	67	1.14	76	0
1886	54.1	90	65.8	104	42.3	64	2.99	13	0
1885	56.6	41	69.4	57	43.8	42	0.14	140	0
1884	49.4	141	57.8	144	41.1	90	1.65	50	0
1883	56.1	56	65.7	105	46.5	8			0
1882	55.4	67	65.1	111	45.7	13	4.29	1	0
1881	52.8	107	61.1	136	44.5	26	2.99	13	0
1880	56.3	50	70.6	46	42	68	0.10	143	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	62.6
2022	62.2
1938	61.8
2001	61.7
1888	61.3
2021	61.2
2020	61.2
2025	60.7
1963	60.3
1892	60.3

Coldest
Year	Mean, °F
1985	46.3
1926	47.2
1912	47.8
1965	48
1941	48.2
1961	48.9
1884	49.4
1970	49.8
1925	49.9
1971	50.1

Wettest
Year	Precipitation, in
1882	4.29
1925	3.63
2019	3.45
1914	3.39
1965	3.37
1947	3.32
1946	3.22
1916	3.18
1941	3.15
1893	3.12

Driest
Year	Precipitation, in
2021	0.04
1972	0.08
2012	0.09
1880	0.10
1979	0.12
1990	0.14
1885	0.14
1928	0.15
1888	0.16
1964	0.17

The hottest, coldest and wettest days

Hottest day: 87°F; 10 September 2026
Coldest night: 34°F; 27 September 2026
Wettest day: 0.56 in; 19 September 2026

Every month, season and year

Months

Seasons

Years

Helena, MT the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 1.38 in of precipitation in Helena, MT, the wettest 1 September to 9 October since 2023, tied 60th wettest of 146 (with 2001).
The hottest day of fall 2026 so far in Helena, MT: 87°F on Thursday 10 September 2026.
The coldest night of fall 2026 so far in Helena, MT: a low of 34°F on Sunday 27 September 2026.
The wettest day of fall 2026 so far in Helena, MT: 0.56 in on Saturday 19 September 2026.