Williston, ND: September

30 September 2026: September 2026 averaged 61.2°F in Williston, ND, the warmest September since 2025, tied 18th warmest of 131 (with 1997).

September 2026

Mean temperature: 61.2°F; Warmest since 2025; 18th warmest of 131
Precipitation: 2.31 in; Wettest since 2019; 17th wettest of 131

A normal September in Williston, ND (1991 to 2020): a mean temperature of 58.1°F, between 55.2°F and 61.4°F in eight years of ten and 0.96 in of precipitation, between 0.18 in and 2.27 in in eight years of ten.

The mean temperature of every September in Williston, ND since 1894: 61.2°F in 2026; the highest is 66.1°F, in 2024.

Normal range, 55.2 to 61.4°F

Every year, ranked, as a table

Every September in Williston, ND 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
2026	61.2	18	72	49	50.3	5	2.31	17
2025	63.4	7	76.3	17	50.4	3	0.27	117
2024	66.1	1	81.2	1	51	2	0.74	78
2023	63.1	11	75.1	26	51.1	1	1.13	58
2022	63.2	9	77	12	49.4	7	0.37	105
2021	63.8	4	78.4	5	49.2	8	0.10	125
2020	58.5	46	72.4	46	44.6	54	0.18	120
2019	58.5	46	69.3	79	47.8	15	8.09	1
2018	54.7	100	66.9	99	42.4	90	1.46	44
2017	58.3	50	71.2	61	45.3	42	1.83	32
2016	59.5	36	71.2	61	47.8	15	3.54	4
2015	60.8	23	75.9	21	45.7	34	2.22	23
2014	57.5	59	71.8	53	43.2	77	1.35	47
2013	62.7	13	76.2	19	49.1	9	1.90	30
2012	58.7	44	76.3	17	41	108	0.08	126
2011	59.7	33	76	20	43.4	71	0.86	74
2010	55.5	91	67.1	98	43.8	63	1.41	45
2009	64.3	2	80.4	2	48.2	12	0.37	105
2008	56.1	82	70.6	66	41.6	101	1.64	35
2007	57.7	58	73.4	39	42.1	95	0.62	86
2006	56.5	70	70.6	66	42.3	92	1.32	49
2005	59.2	40	75.6	23	42.8	84	0.08	126
2004	58.8	43	74.6	30	42.9	82	1.02	64
2003	56.1	82	71.7	55	40.4	114	0.78	76
2002	56.9	67	72.5	44	41.3	104	0.49	95
2001	59	42	74.2	32	43.7	66	0.30	114
2000	57.9	55	72.3	47	43.5	69	1.60	36
1999	53	113	66.7	106	39.4	124	1.57	38
1998	63.1	11	78.4	5	47.7	18	0.89	71
1997	61.2	18	77	12	45.4	41	0.15	122
1996	55.2	96	66.9	99	43.5	69	2.07	28
1995	55.8	88	71.3	60	40.2	118	0.54	91
1994	61	21	76.8	14	45.3	42	0.69	81
1993	52.3	118	66.9	99	37.7	129	0.28	116
1992	55.3	95	70.3	70	40.4	114	0.76	77
1991	57.3	61	69.4	78	45.1	45	2.74	8
1990	61.8	15	78.2	7	45.5	38	0.31	112
1989	58	53	74.3	31	41.8	97	0.54	91
1988	55.7	90	69.6	77	41.7	99	1.49	42
1987	59.4	37	75	28	43.9	61	0.65	83
1986	51.9	122	60.9	128	43	80	3.11	5
1985	51.2	126	60.4	130	41.9	96	1.08	60
1984	50.2	129	60.9	128	39.5	123	2.24	20
1983	56.3	79	69.2	82	43.4	71	0.51	94
1982	56.4	72	72	49	40.8	110	1.86	31
1981	61.8	15	78.5	4	45.1	45	0.57	90
1980	58.1	52	71.1	64	45.1	45	2.24	20
1979	61.1	20	76.7	15	45.5	38	0.38	104
1978	60.2	27	74.2	32	46.1	28	2.09	27
1977	56.1	82	66.1	108	46.1	28	2.30	18
1976	59.2	40	75.6	23	42.8	84	0.96	69
1975	55	98	67.5	94	42.5	88	1.77	33
1974	53	113	67.7	93	38.3	127	0.17	121
1973	55.5	91	67.2	96	43.7	66	3.06	6
1972	52.6	116	64.9	115	40.3	116	1.32	49
1971	56	85	68.3	90	43.7	66	2.48	13
1970	56.4	72	69.8	75	42.9	82	2.16	26
1969	60.8	23	75.2	25	46.4	26	1.14	57
1968	57.9	55	71.7	55	44.2	56	0.85	75
1967	61.9	14	76.5	16	47.4	19	0.67	82
1966	60.1	29	75.1	26	45.1	45	0.40	102
1965	45.4	131	56	131	34.8	131	2.20	24
1964	53.4	109	67.3	95	39.6	120	0.40	102
1963	63.4	7	78.1	9	48.6	10	0.11	124
1962	56.6	68	71.9	52	41.2	106	0.43	101
1961	51.9	122	62.5	122	41.2	106	2.49	12
1960	60.2	27	74.2	32	46.2	27	0.05	128
1959	55	98	65.1	113	44.8	53	3.74	2
1958	58.5	46	71.2	61	45.7	34	0.27	117
1957	57.3	61	68.9	83	45.7	34	0.71	80
1956	56.3	79	69.8	75	42.8	84	0.58	88
1955	56.4	72	69.3	79	43.4	71	0.05	128
1954	54.7	100	65.1	113	44.2	56	3.62	3
1953	58	53	70.5	68	45.5	38	0.46	97
1952	61	21	74.2	32	47.8	15	1.08	60
1951	53.1	111	63	120	43.1	79	2.80	7
1950	57.2	65	68.8	86	45.7	34	2.62	9
1949	56.3	79	71.4	59	41.3	104	0.36	107
1948	63.2	9	78.2	7	48.2	12	0.02	130
1947	55.2	96	66.9	99	43.4	71	0.63	85
1946	56.4	72	67.9	92	44.9	51	1.33	48
1945	53.1	111	64.7	116	41.4	103	1.51	40
1944	57.2	65	70.2	71	44.1	58	1.10	59
1943	56.6	68	70	73	43.3	75	0.32	110
1942	55.5	91	66.9	99	44	60	1.53	39
1941	54	105	64.1	118	43.8	63	2.57	11
1940	63.8	4	77.4	10	50.1	6	1.02	64
1939	59.4	37	73	41	45.8	32	0.99	67
1938	63.8	4	77.2	11	50.4	3	0.49	95
1937	59.4	37	71.8	53	47.1	20	1.31	51
1936	59.9	31	73.9	37	45.9	31	0.46	97
1935	58.2	51	72.3	47	44.1	58	0.20	119
1934	52.2	120	63.4	119	41	108	1.19	55
1933	59.8	32	72.7	42	46.8	23	0.93	70
1932	57.3	61	71.5	58	43.2	77	0.33	108
1931	60.8	23	73.7	38	47.9	14	1.23	54
1930	56.4	72	68.9	83	43.8	63	0.65	83
1929	52.2	120	62.8	121	41.7	99	1.25	53
1928	53.7	107	68.4	88	39	125	0.31	112
1927	55.9	87	66.9	99	44.9	51	1.48	43
1926	51	127	61.4	126	40.5	113	2.41	16
1925	56	85	66.9	99	45	50	2.47	14
1924	55.8	88	68.9	83	42.7	87	0.52	93
1923	59.6	35	72.5	44	46.6	25	2.60	10
1922	60.1	29	73.3	40	46.9	21	1.91	29
1921	55.4	94	66.2	107	44.6	54	2.43	15
1920	58.7	44	71.7	55	45.8	32	0.60	87
1919	57.8	57	68.8	86	46.9	21	1.00	66
1918	52.5	117	65.4	110	39.7	119	0.30	114
1917	56.5	70	70	73	43	80	0.72	79
1916	54.4	102	67.2	96	41.6	101	1.26	52
1915	52.3	118	62.4	123	42.2	94	1.60	36
1914	58.5	46	72	49	45.1	45	0.46	97
1913	57.4	60	70.9	65	43.9	61	1.07	62
1912	50	130	61.2	127	38.8	126	0.89	71
1911	54.3	104	65.3	112	43.3	75	2.25	19
1910	54	105	68.4	88	39.6	120	0.12	123
1909	60.5	26	75	28	46	30	1.07	62
1908	59.7	33	74.1	36	45.3	42	2.18	25
1907	51.4	125	65.4	110	37.4	130	0.45	100
1906	61.3	17	75.9	21	46.8	23	1.18	56
1903	51	127	62.3	124	39.6	120	1.39	46
1902	53.7	107	69.3	79	38	128	0.33	108
1901	51.5	124	62.3	124	40.7	112	1.73	34
1900	53.4	109	64.4	117	42.4	90	2.24	20
1899	57.3	61	72.7	42	41.8	97	0.01	131
1898	56.4	72	70.5	68	42.3	92	0.99	67
1897	64	3	79.7	3	48.3	11	0.58	88
1896	52.9	115	65.5	109	40.3	116	0.89	71
1895	56.4	72	70.2	71	42.5	88	0.32	110
1894	54.4	102	68	91	40.8	110	1.50	41

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	66.1
2009	64.3
1897	64
2021	63.8
1940	63.8
1938	63.8
2025	63.4
1963	63.4
2022	63.2
1948	63.2

Coldest
Year	Mean, °F
1965	45.4
1912	50
1984	50.2
1926	51
1903	51
1985	51.2
1907	51.4
1901	51.5
1986	51.9
1961	51.9

Wettest
Year	Precipitation, in
2019	8.09
1959	3.74
1954	3.62
2016	3.54
1986	3.11
1973	3.06
1951	2.80
1991	2.74
1950	2.62
1923	2.60

Driest
Year	Precipitation, in
1899	0.01
1948	0.02
1960	0.05
1955	0.05
2012	0.08
2005	0.08
2021	0.10
1963	0.11
1910	0.12
1997	0.15

The hottest, coldest and wettest days

Hottest day: 89°F; 6 September 2026
Coldest night: 40°F; 12 September 2026
Wettest day: 0.83 in; 3 September 2026

Every month, season and year

Months

Seasons

Years

Williston, ND the day's answers

All-time records

Every answer in words

September 2026 brought 2.31 in of precipitation in Williston, ND, the wettest September since 2019, 17th wettest of 131.
The hottest day of September 2026 in Williston, ND: 89°F on Sunday 6 September 2026.
The coldest night of September 2026 in Williston, ND: a low of 40°F on Saturday 12 September 2026.
The wettest day of September 2026 in Williston, ND: 0.83 in on Thursday 3 September 2026.