Glasgow, MT: September

30 September 2026: September 2026 averaged 61.9°F in Glasgow, MT, the warmest September since 2025, tied 21st warmest of 128 (with 1969).

September 2026

Mean temperature: 61.9°F; Warmest since 2025; 21st warmest of 128
Precipitation: 2.13 in; Wettest since 2019; 16th wettest of 129

A normal September in Glasgow, MT (1991 to 2020): a mean temperature of 58.8°F, between 55.7°F and 62.9°F in eight years of ten and 0.86 in of precipitation, between 0.25 in and 1.89 in in eight years of ten.

The mean temperature of every September in Glasgow, MT since 1894: 61.9°F in 2026; the highest is 67.8°F, in 2024.

Normal range, 55.7 to 62.9°F

Every year, ranked, as a table

Every September in Glasgow, MT from 1894 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	61.9	21	74	54	49.8	7	2.13	16	0
2025	65.4	5	81	5	49.8	7	0.23	108	0
2024	67.8	1	82.6	1	53.1	1	1.60	27	0
2023	65.8	3	79.2	12	52.4	2	0.71	71	0
2022	65.9	2	81.6	2	50.2	6	0.13	118	0
2021	63.6	11	79.4	9	47.7	18	0.03	126	0
2020	60.1	37	74.4	49	45.9	29	1.04	44	0
2019	59.4	44	69.5	94	49.4	9	4.57	2	0
2018	55.7	97	67.1	112	44.3	58	1.28	34	0
2017	58.9	49	71.4	75	46.4	24	1.12	39	0
2016	58.3	57	70.3	87	46.3	25	1.67	25	0
2015	61	28	75.6	38	46.3	25	0.57	78	0
2014	57.8	63	70.5	85	45.1	37	0.80	60	0
2013	63.6	11	76.6	26	50.6	5	1.83	21	0
2012	61.1	27	77.3	24	45	40	0.02	127	0
2011	62.1	18	78.1	16	46.2	27	0.16	114	0
2010	56.7	87	68.1	106	45.3	34	1.71	24	0
2009	65.4	5	81.5	3	49.2	10	0.58	77	0
2008	57.7	66	72.2	64	43.1	77	1.40	30	0
2007	58.6	53	72.8	61	44.4	55	0.96	50	0
2006	57.8	63	70.8	82	44.7	49	2.40	10	0
2005	60.1	37	74.3	50	45.9	29	0.63	74	0
2004	58.8	50	73.3	58	44.4	55	0.28	104	0
2003	57	78	71.2	78	42.8	81	0.78	62	0
2002	59.3	46	73.3	58	45.3	34	0.99	47	0
2001	61.5	24	74.9	44	48.2	15	0.40	95	0
2000	58.1	59	71.7	69	44.5	52	0.94	53	0
1999	54.2	112	67	114	41.4	96	1.06	41	0
1998	65.8	3	80.3	6	51.3	4	0.92	54	0
1997	62.8	14	77.7	17	47.8	16	0.55	79	0
1996	55.5	98	66.8	115	44.3	58	2.94	7	0
1995	57.1	77	72	66	42.2	86	0.16	114	0
1994	62.6	15	77.6	20	47.6	19	0.26	107	0
1993	54.3	108	67.6	110	41.1	98	0.60	76	0
1992	56.8	83	71.6	71	42	89	0.41	92	0
1991	58.8	50	72.1	65	45.6	33	0.61	75	0
1990	64	9	79.5	8	48.5	13	0.12	120	0
1989	58.4	56	73.4	57	43.4	74	0.20	113	0
1988	57.6	69	71.3	76	43.9	61	0.95	51	0
1987	60.4	32	75.8	32	45.1	37	0.66	73	0
1986	52.2	122	61	125	43.3	76	3.81	4	0
1985	50.5	125	59.8	127	41.1	98	0.83	57	0
1984	51.8	123	62.8	122	40.7	103	0.81	59	0
1983	55.3	100	67.7	108	42.9	80	0.97	49	0
1982	56.8	83	70.1	90	43.5	73	0.98	48	0
1981	60.7	30	75.7	35	45.8	31	0.08	123	0
1980	57.8	63	71.6	71	43.9	61	0.87	56	0
1979	62.5	16	77.7	17	47.3	22	0.27	105	0
1978	58.5	55	70.9	81	46.1	28	4.14	3	0
1977	55.2	101	66.3	119	44	60	2.62	9	0
1976	59.7	42	75.7	35	43.8	63	0.41	92	0
1975	56.3	91	70.6	83	42	89	0.42	90	0
1974	55.4	99	68.6	101	42.2	86	0.07	124	0
1973	56.6	89	68.4	103	44.8	44	1.43	28	0
1972	53.6	116	66.6	117	40.5	106	0.69	72	0
1971	56.5	90	69.6	93	43.4	74	0.48	83	0
1970	56.1	93	70.1	90	42.1	88	1.32	33	0
1969	61.9	21	76.2	28	47.5	21	0.27	105	0
1968	57.6	69	71.5	73	43.7	67	0.75	66	0
1967	62.2	17	75.8	32	48.6	12	2.20	14	0
1966	62	20	75.8	32	48.3	14	0.41	92	0
1965	48.1	128	57.9	128	38.2	122	0.79	61	0
1964	55	102	68.1	106	41.8	91	0.52	80	0
1963	65.1	7	78.2	15	52	3	0.32	102	0
1962	56.9	81	70.6	83	43.1	77	0.48	83	0
1961	51	124	62.4	123	39.7	112	2.04	18	0
1960	60.2	34	75.4	40	45	40	0.04	125	0
1959	55.8	95	66.8	115	44.8	44	1.26	35	0
1958	58.6	53	72.5	63	44.7	49	0.31	103	0
1957	57.7	66	70.5	85	44.8	44	0.51	81	0
1956	57.7	66	71.5	73	43.8	63	0.10	121	0
1955	56.7	87	72	66	41.5	92	0.42	90	0
1954	56.8	83	68.4	103	45.1	37	1.14	38	0
1953	59.9	40	75.4	40	44.4	55	0.33	101	0
1952	62.1	18	77.6	20	46.6	23	0.78	62	0
1951	53.4	118	66.6	117	40.2	108	1.40	30	0
1950	58.1	59	71.7	69	44.5	52	3.30	6	0
1949	57.5	71	74.2	52	40.8	101	0.36	99	0
1948	63.4	13	79.1	13	47.6	19	0.38	96	0
1947	57	78	70.2	89	43.7	67	0.49	82	0
1946	57	78	70.3	87	43.7	67	2.76	8	0
1945	54.3	108	68.5	102	40	109	1.17	36	0
1944	59.4	44	74.2	52	44.5	52	0.89	55	0
1943	58.8	50	76.1	29	41.4	96	0.01	128	1
1942	56.9	81	71.2	78	42.6	83	1.01	45	0
1941	54.3	108	67.1	112	41.5	92	0.95	51	0
1940	64	9	80.3	6	47.8	16	0.10	121	0
1939	60.7	30	77.6	20	43.8	63	0.38	96	1
1938	65.1	7	81.4	4	48.9	11	4.72	1	1
1937	60.2	34	76.6	26	43.7	67	1.41	29	0
1936	61.7	23	78.7	14	44.7	49	0.43	88	0
1935	60.2	34	79.4	9	40.9	100	0.37	98	0
1934	53.7	115	69.3	98	38.1	124	0.75	66	0
1933	59.9	40	74.5	48	45.3	34	0.72	69	0
1932	57.4	73	74.8	47	39.9	110	0.21	111	0
1931	60	39	74.9	44	45	40	2.02	19	0
1930	57.3	74	73	60	41.5	92	1.08	40	0
1929	54.3	108	69.3	98	39.3	114	1.06	41	0
1928	56.3	91	75.5	39	37.2	127	0.13	118	0
1927	57.5	71	71.2	78	43.8	63	2.40	10	0
1926	52.4	121	65.7	120	39	119	2.28	13	0
1925	57.3	74	71.3	76	43.6	72	3.59	5	1
1924	56.8	83	74.3	50	39.3	114	0.46	85	1
1923	59.1	48	75.7	35	42.4	84	0.77	64	0
1922	61.5	24	79.4	9	43.7	67	0.75	66	1
1921	54.9	104	68.3	105	41.5	92	1.63	26	0
1920	61	28	77	25	45	40	1.16	37	0
1919	61.3	26	77.7	17	44.8	44	0.36	99	0
1918	57.9	62	76.1	29	39.8	111	0.77	64	0
1917	59.6	43	76	31	43.1	77	1.01	45	0
1916	54.9	104	69.4	96	40.4	107	2.37	12	0
1915	52.6	120	64.1	121	40.6	104	1.76	23	1
1914	58.3	57	74	54	42.7	82	1.37	32	0
1913	57.2	76	75.3	42	39.1	116	0.23	108	0
1912	49.6	126	61.5	124	38.2	122	1.06	41	1
1911	54.8	107	67.2	111	42.4	84	2.20	14	0
1907	53.9	113	70	92	37.7	125	0.46	85	0
1906	60.3	33	74.9	44	45.7	32	1.78	22	0
1905	59.3	46	73.9	56	44.8	44	0.72	69	0
1904					39.1	116	0.21	111	4
1903	54.9	104	69.1	100	40.8	101	0.14	117	0
1902	55	102	75.1	43	35.1	129	0.15	116	1
1901	49.5	127	60.8	126	38.8	120	2.13	16	2
1900	53.9	113	67.7	108	40.6	104	0.83	57	1
1899	58.1	59	77.5	23	38.6	121	0.00	129	0
1898	55.8	95	71.8	68	39.5	113	2.02	19	2
1897									12
1896	53	119	69.4	96	36.6	128	0.43	88	0
1895	53.6	116	69.5	94	37.7	125	0.44	87	0
1894	56	94	72.8	61	39.1	116	0.22	110	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	67.8
2022	65.9
2023	65.8
1998	65.8
2025	65.4
2009	65.4
1963	65.1
1938	65.1
1990	64
1940	64

Coldest
Year	Mean, °F
1965	48.1
1901	49.5
1912	49.6
1985	50.5
1961	51
1984	51.8
1986	52.2
1926	52.4
1915	52.6
1896	53

Wettest
Year	Precipitation, in
1938	4.72
2019	4.57
1978	4.14
1986	3.81
1925	3.59
1950	3.30
1996	2.94
1946	2.76
1977	2.62
2006	2.40
More years share the last value

Driest
Year	Precipitation, in
1899	0.00
1943	0.01
2012	0.02
2021	0.03
1960	0.04
1974	0.07
1981	0.08
1956	0.10
1940	0.10
1990	0.12

The hottest, coldest and wettest days

Hottest day: 93°F; 4 September 2026
Coldest night: 37°F; 27 September 2026
Wettest day: 1.39 in; 7 September 2026

Every month, season and year

Months

Seasons

Years

Glasgow, MT the day's answers

All-time records

Every answer in words

September 2026 brought 2.13 in of precipitation in Glasgow, MT, the wettest September since 2019, tied 16th wettest of 129 (with 1901).
The hottest day of September 2026 in Glasgow, MT: 93°F on Friday 4 September 2026.
The coldest night of September 2026 in Glasgow, MT: a low of 37°F on Sunday 27 September 2026.
The wettest day of September 2026 in Glasgow, MT: 1.39 in on Monday 7 September 2026.