Pendleton, OR: September

30 September 2026: September 2026 averaged 61.3°F in Pendleton, OR, the coldest September since 2015, tied 37th coldest of 130 (with 2015).

September 2026

Mean temperature: 61.3°F; Coldest since 2015; 37th coldest of 130
Precipitation: 1.07 in; Wettest since 2019; 27th wettest of 130

A normal September in Pendleton, OR (1991 to 2020): a mean temperature of 64.1°F, between 61.3°F and 66.3°F in eight years of ten and 0.40 in of precipitation, between 0.00 in and 1.11 in in eight years of ten.

The mean temperature of every September in Pendleton, OR since 1892: 61.3°F in 2026; the lowest is 56.3°F, in 1970.

Normal range, 61.3 to 66.3°F

Every year, ranked, as a table

Every September in Pendleton, OR from 1892 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	61.3	93	74.2	112	48.4	74	1.07	27	0
2025	68.5	3	83.5	6	53.5	9	0.72	51	0
2024	68.3	4	82.6	12	54	4	0.42	76	0
2023	64.6	45	77.5	79	51.8	22	0.90	37	0
2022	67.1	13	82.6	12	51.6	26	0.09	113	0
2021	63.7	55	78.5	60	48.8	70	0.63	56	0
2020	66.3	18	81.4	22	51.1	35	0.14	106	0
2019	62.9	68	74.6	106	51.1	35	1.11	24	0
2018	61.5	88	76.3	89	46.6	89	0.00	129	0
2017	64.6	45	78.4	61	50.9	39	0.92	33	0
2016	61.4	92	74.6	106	48.2	75	0.68	54	0
2015	61.3	93	75.2	101	47.3	82	0.81	41	0
2014	64.9	38	79.5	47	50.2	49	0.22	96	0
2013	65.2	32	77.9	72	52.4	16	2.20	3	0
2012	64.8	42	81.6	19	48.1	76	trace	122	0
2011	66.4	17	83.2	8	49.6	59	0.03	116	0
2010	63.2	63	76	95	50.5	44	0.99	32	0
2009	64.9	38	80.4	34	49.3	63	0.04	115	0
2008	62.3	76	78.3	66	46.3	94	0.13	107	0
2007	61	98	75.3	100	46.7	87	0.60	59	0
2006	63.9	53	78.8	56	48.9	68	0.37	82	0
2005	61	98	75.6	98	46.5	91	0.27	91	0
2004	62.5	73	75.1	103	49.9	53	0.45	71	0
2003	65.8	29	80.2	37	51.4	27	0.63	56	0
2002	63.5	57	78	70	49	67	0.20	99	0
2001	66.2	20	82	15	50.4	46	0.09	113	0
2000	61.5	88	74.6	106	48.5	73	2.01	6	0
1999	62.5	73	78.7	57	46.3	94	0.01	119	0
1998	67.8	6	81.5	21	54	4	1.11	24	0
1997	64.9	38	79	54	50.7	41	0.77	47	0
1996	61	98	74.3	111	47.7	79	0.61	58	0
1995	66	25	80.6	32	51.4	27	0.55	64	0
1994	67.2	10	81.1	23	53.3	12	0.36	83	0
1993	64.3	49	79.1	51	49.5	60	trace	122	0
1992	61.8	80	74.5	109	49.2	66	0.42	76	0
1991	64.9	38	79.7	44	50	52	trace	122	0
1990	68.2	5	82.9	10	53.5	9	trace	122	0
1989	63.6	56	77.9	72	49.3	63	0.12	109	0
1988	63.3	60	76.9	84	49.8	54	0.31	89	0
1987	66.2	20	81	25	51.3	30	0.03	116	0
1986	58.8	122	68.8	132	48.9	68	1.28	18	0
1985	57	128	68	133	46	96	2.10	4	0
1984	60.4	108	72.2	121	48.6	72	0.39	80	0
1983	58.9	121	71.1	127	46.6	89	0.46	70	0
1982	60.7	105	72.6	120	48.7	71	1.47	12	0
1981	63.8	54	77.1	81	50.5	44	1.31	17	0
1980	63.3	60	76.3	89	50.2	49	0.59	61	0
1979	65.5	30	79.9	40	51	38	0.30	90	0
1978	60.4	108	71.4	126	49.5	60	0.92	33	0
1977	58.5	126	69	130	48	77	1.17	22	0
1976	67.2	10	81.7	18	52.8	14	0.18	100	0
1975	66.9	14	83.3	7	50.6	42	0.00	129	0
1974	67.5	7	83.7	5	51.2	32	trace	122	0
1973	64	52	76.8	86	51.1	35	1.34	16	0
1972	61.1	95	74.8	105	47.3	82	0.16	103	0
1971	59.1	120	71.8	125	46.4	92	1.03	29	0
1970	56.3	130	69	130	43.5	117	0.78	45	0
1969	64.7	44	77.4	80	52	21	0.42	76	0
1968	65.9	27	78.6	59	53.1	13	0.57	62	0
1967	69.9	1	84.3	3	55.5	1	0.40	79	0
1966	66.6	16	79.8	41	53.4	11	0.43	74	0
1965	60.1	113	73	117	47.1	85	0.23	95	0
1964	62.6	71	76	95	49.3	63	0.15	105	0
1963	67.5	7	81.1	23	54	4	0.70	53	0
1962	65	36	79.1	51	50.9	39	0.79	43	0
1961	59.5	118	73	117	46	96	0.17	102	0
1960	64.3	49	77.9	72	50.6	42	0.49	69	0
1959	61	98	71.9	123	50.1	51	2.03	5	0
1958	63.5	57	75.7	97	51.3	30	0.35	85	0
1957	66.3	18	80.2	37	52.3	17	0.71	52	0
1956	65.2	32	78.7	57	51.8	22	trace	122	0
1955	63	65	76.2	92	49.7	57	1.36	15	0
1954	62	79	74.5	109	49.4	62	0.75	49	0
1953	66.2	20	80.5	33	51.8	22	0.16	103	0
1952	66.8	15	79.8	41	53.7	7	0.90	37	0
1951	64.8	42	78.1	67	51.4	27	0.44	72	0
1950	65.1	34	78.1	67	52.1	18	0.13	107	0
1949	64.6	45	77.1	81	52.1	18	0.56	63	0
1948	61.6	87	73.3	114	49.8	54	0.34	87	0
1947	64.4	48	76.8	86	52.1	18	0.55	64	0
1946	61.7	84	73	117	50.3	47	1.03	29	0
1945	61.8	80	73.3	114	50.3	47	1.25	20	0
1944	63.2	63	79.8	41	46.7	87			0
1943	67.3	9	80.9	27	53.7	7	trace	122	0
1942	66.1	24	80.4	34	51.7	25	0.01	119	0
1941	59.6	117	69.4	129	49.8	54	2.34	2	0
1940	66	25	77.6	76	54.3	3	1.41	14	0
1939	65.3	31	79.3	48	51.2	32	0.25	94	0
1938	69	2	82.9	10	55.1	2	0.26	92	0
1937	65.1	34	78.9	55	51.2	32	0.03	116	0
1936	63	65	76.3	89	49.7	57	0.78	45	0
1935	67.2	10	81.6	19	52.8	14	0.11	111	0
1934	60.7	105	79.1	51	42.3	125	0.12	109	1
1933	60.8	102	78.4	61	43.2	118	1.02	31	0
1932	63.3	60	85.4	2	41.2	128	0.01	119	2
1931	61.7	84	80.9	27	42.5	122	0.36	83	0
1930	63.5	57	81.9	17	44.6	112	0.60	59	3
1929	60.8	102	76.7	88	45	108	0.18	100	1
1928					44.7	111	0.92	33	5
1927	59.8	116	72.2	121	47.5	81	2.70	1	0
1926			73.3	114	43.7	114	0.83	40	4
1925	60.8	102	76.1	94	46	96	1.07	27	2
1924	62.6	71	79.2	49	45.9	102	1.10	26	0
1923	62.9	68	80	39	45.6	103	0.55	64	2
1922	63	65	80.4	34	45.6	103	0.53	68	0
1921	57.9	127	71.9	123	43.8	113	0.88	39	0
1920			75.4	99	46.8	86			4
1919	60.3	111	79.2	49	41.4	127	0.74	50	1
1918	65.9	27	84.2	4	48	77	0.67	55	1
1917	64.1	51	80.9	27	47.3	82	1.46	13	0
1916	61.1	95	79.7	44	42.8	121	0.22	96	1
1915	61.5	88	78	70	44.9	109	0.34	87	0
1914	61.1	95	78.4	61	43.7	114	1.20	21	0
1913	61.7	84	81	25	42.5	122	0.43	74	0
1912	58.8	122	77.6	76	40.1	130	0.22	96	0
1911	58.8	122	77.9	72	39.6	133	0.77	47	0
1910	59.3	119	78.4	61	40.1	130	0.79	43	0
1909	65	36	82.4	14	47.6	80			0
1908	62.4	75	79.6	46	45.2	105	0.10	112	0
1907	59.9	115	75.2	101	44.9	109	0.91	36	2
1906	61.8	80	78.4	61	45.2	105	1.15	23	0
1905	61.8	80	77.6	76	46	96	1.94	7	0
1904	61.5	88	80.7	31	42.3	125	0.38	81	0
1902	62.9	68	83.2	8	43.2	118	0.80	42	1
1901	60.6	107	76.2	92	45.1	107	1.78	9	2
1900	62.3	76	78.1	67	46.4	92			0
1899	66.2	20	86.3	1	46	96	1.84	8	0
1898	62.2	78	82	15	42.4	124	0.55	64	0
1897	60.3	111	77	83	43.6	116	1.54	11	0
1896	58.8	122	76.9	84	40.7	129	0.26	92	0
1895	56.5	129	70	128	43	120	1.28	18	0
1894			75	104			0.44	72	30
1893	60.1	113	74.1	113	46	96	1.60	10	0
1892	60.4	108	80.9	27	39.8	132	0.35	85	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1967	69.9
1938	69
2025	68.5
2024	68.3
1990	68.2
1998	67.8
1974	67.5
1963	67.5
1943	67.3
1994	67.2
More years share the last value

Coldest
Year	Mean, °F
1970	56.3
1895	56.5
1985	57
1921	57.9
1977	58.5
1986	58.8
1912	58.8
1911	58.8
1896	58.8
1983	58.9

Wettest
Year	Precipitation, in
1927	2.70
1941	2.34
2013	2.20
1985	2.10
1959	2.03
2000	2.01
1905	1.94
1899	1.84
1901	1.78
1893	1.60

Driest
Year	Precipitation, in
2018	0.00
1975	0.00
2012	trace
1993	trace
1991	trace
1990	trace
1974	trace
1956	trace
1943	trace
1999	0.01
More years share the last value

The hottest, coldest and wettest days

Hottest day: 87°F; 20 September 2026, 10 September 2026
Coldest night: 40°F; 28 September 2026, 27 September 2026
Wettest day: 0.34 in; 2 September 2026

Every month, season and year

Months

Seasons

Years

Pendleton, OR the day's answers

All-time records

Every answer in words

September 2026 brought 1.07 in of precipitation in Pendleton, OR, the wettest September since 2019, tied 27th wettest of 130 (with 1925).
The hottest day of September 2026 in Pendleton, OR: 87°F on Sunday 20 September 2026 and Thursday 10 September 2026.
The coldest night of September 2026 in Pendleton, OR: a low of 40°F on Monday 28 September 2026 and Sunday 27 September 2026.
The wettest day of September 2026 in Pendleton, OR: 0.34 in on Wednesday 2 September 2026.