Pittsburgh, PA: September

30 September 2026: September 2026 averaged 68.6°F in Pittsburgh, PA, the warmest September since 2024, tied 22nd warmest of 150 (with 1912 and 1908).

September 2026

Mean temperature: 68.6°F; Warmest since 2024; 22nd warmest of 150
Precipitation: 5.03 in; Wettest since 2022; 18th wettest of 156

A normal September in Pittsburgh, PA (1991 to 2020): a mean temperature of 64.6°F, between 62.2°F and 69.1°F in eight years of ten and 3.08 in of precipitation, between 1.08 in and 5.37 in in eight years of ten.

The mean temperature of every September in Pittsburgh, PA since 1875: 68.6°F in 2026; the highest is 77.3°F, in 1881.

Normal range, 62.2 to 69.1°F

Every year, ranked, as a table

Every September in Pittsburgh, PA from 1871 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	68.6	22	76.9	48	60.3	10	5.03	18	0
2025	67.2	45	78.8	26	55.6	77	3.17	54	0
2024	69.4	16	79.4	17	59.5	16	1.90	99	0
2023	67.6	36	76.9	48	58.3	29	1.83	105	0
2022	64.3	101	73	124	55.6	77	5.15	14	0
2021	66.3	65	75.7	74	56.8	45	3.93	34	0
2020	64.6	94	75.1	84	54.1	102	0.92	143	0
2019	69	18	79.9	11	58.2	30	5.34	13	0
2018	69.7	11	77.9	37	61.5	6	8.50	3	0
2017	66.4	62	77	47	55.9	66	0.58	154	0
2016	69.5	15	80.2	9	58.7	26	3.08	58	0
2015	69.6	12	79.9	11	59.3	19	5.08	15	0
2014	64.1	105	74.7	91	53.5	113	0.97	142	0
2013	64	106	74.3	100	53.7	108	2.31	84	0
2012	63.6	113	73.7	110	53.4	115	4.80	20	0
2011	65.4	77	73.7	110	57.1	44	3.73	39	0
2010	65.7	75	76.3	63	55.1	89	3.27	50	0
2009	64.9	87	73.7	110	56.1	58	1.55	122	0
2008	65.9	72	76.5	60	55.3	85	2.65	71	0
2007	66.7	55	78.2	32	55.1	89	2.30	85	0
2006	60.9	145	68.7	150	53.2	118	3.26	51	0
2005	67.3	44	78.2	32	56.3	51	1.32	128	0
2004	65.8	73	75.7	74	55.9	66	10.06	2	0
2003	63.1	122	71.9	135	54.2	101	3.48	45	0
2002	67.4	40	78.9	25	55.8	70	3.24	53	0
2001	62.1	132	72	134	52.1	136	2.23	86	0
2000	62.2	130	72.4	131	52.1	136	3.07	60	0
1999	64.2	104	76	69	52.4	132	1.97	93	0
1998	67.2	45	78.6	28	55.8	70	1.09	134	0
1997	62.1	132	71.8	137	52.3	135	2.90	62	0
1996	63.6	113	71.9	135	55.4	82	5.63	8	0
1995	64.3	101	75.7	74	52.9	123	1.80	107	0
1994	63.8	108	74	104	53.6	109	3.59	42	0
1993	63.3	121	72.5	130	54.1	102	3.87	35	0
1992	63.7	109	73.7	110	53.6	109	2.91	61	0
1991	64.6	94	76.3	63	52.9	123	3.45	47	0
1990	63.7	109	73.1	123	54.3	100	6.00	7	0
1989	64.8	88	74.7	91	54.8	93	4.57	22	0
1988	63.5	116	74.3	100	52.7	128	2.34	82	0
1987	65.1	83	73.9	107	56.2	55	3.97	33	0
1986	66.6	57	76.8	54	56.4	49	2.33	83	0
1985	65.2	80	77.4	43	53.1	120	0.28	156	0
1984	61.4	138	72.7	128	50	147	0.84	145	0
1983	64.4	100	75.9	71	52.8	126	2.42	79	0
1982	63.4	118	73.5	116	53.2	118	2.80	67	0
1981	61.9	135	71.3	139	52.4	132	4.13	29	0
1980	67.1	47	78.1	34	56.1	58	1.29	129	0
1979	63.4	118	73.2	120	53.6	109	3.60	41	0
1978	66.2	66	76.2	65	56.2	55	2.64	72	0
1977	64.6	94	73.6	115	55.7	75	3.13	55	0
1976	59.9	147	69.9	145	49.9	148	3.30	49	0
1975	58.8	149	67.1	152	50.5	144	5.06	17	0
1974	62.2	130	71.3	139	53	122	4.42	24	0
1973	66.5	58	76.9	48	56	62	3.56	43	0
1972	65.2	80	75.3	81	55.2	86	5.42	11	0
1971	68.5	25	77.4	43	59.5	16	3.86	36	0
1970	67.8	32	78.8	26	56.7	48	2.77	68	0
1969	63	125	73	124	52.9	123	0.91	144	0
1968	64.7	92	75.4	80	54.1	102	3.08	58	0
1967	61.1	143	72.9	127	49.3	149	1.61	119	0
1966	61.3	140	71.3	139	51.2	143	1.92	98	0
1965	64.7	92	74.5	96	54.8	93	4.07	31	0
1964	63.6	113	75.5	78	51.8	140	0.74	148	0
1963	61.3	140	74.6	95	47.9	151	1.40	126	0
1962	58.6	150	68.9	149	48.3	150	4.69	21	0
1961	68.5	25	80.7	7	56.3	51	1.98	92	0
1960	66	70	76.1	67	56	62	1.84	104	0
1959	68.2	28	81.9	4	54.6	96	1.34	127	0
1958	63.1	122	72.2	133	54	106	4.52	23	0
1957	64.8	88	75	86	54.5	97	4.06	32	0
1956	60.3	146	70.4	143	50.3	145	1.93	97	0
1955	66.1	68	76.9	48	55.2	86	1.75	111	0
1954	66.8	53	77.6	41	55.9	66	1.80	107	0
1953	64.6	94	76.5	60	52.7	128	1.66	114	0
1952	65.6	76	76.8	54	54.4	98	1.45	125	0
1951	64.5	98	74.5	96	54.4	98	2.71	69	1
1950	63.9	107	72.4	131	55.4	82	3.53	44	0
1949	61.1	143	70.6	142	51.5	141	1.80	107	0
1948	66.1	68	76	69	56.3	51	1.27	130	0
1947	66.4	62	76.6	58	56.2	55	1.52	124	0
1946	67.1	47	78.6	28	55.7	75	1.27	130	0
1945	67.4	40	76.7	56	58.1	33	10.08	1	0
1944	64.5	98	73.3	119	55.8	70	1.21	132	0
1943	63.1	122	73.7	110	52.6	130	0.71	150	0
1942	64.8	88	74.7	91	54.8	93	3.40	48	0
1941	67.5	39	79.1	23	55.9	66	1.00	141	0
1940	62.5	129	72.6	129	52.4	132	2.59	73	0
1939	67.8	32	80	10	55.6	77	2.58	74	0
1938	63.5	116	73.2	120	53.9	107	4.30	25	0
1937	62.6	128	73.2	120	52	138	0.57	155	0
1936	67.8	32	77.9	37	57.6	38	4.93	19	0
1935	63.4	118	73.8	108	53.1	120	1.96	94	0
1934	68.4	27	78	36	58.7	26	3.78	38	0
1933	69	18	77.9	37	60	11	4.20	27	0
1932	67.9	31	78.4	30	57.3	41	0.59	153	0
1931	70.3	8	79.3	19	61.3	8	3.81	37	0
1930	69.8	10	79.5	16	60	11	0.74	148	0
1929	67.1	47	76.4	62	57.8	36	1.05	136	0
1928	61.2	142	69.5	146	52.8	126	1.02	138	0
1927	68.1	29	78.3	31	57.9	35	2.18	89	0
1926	67.1	47	75.5	78	58.8	25	7.45	4	0
1925	70.7	6	79.6	15	61.7	5	1.58	120	0
1924	61.4	138	69.3	148	53.4	115	5.39	12	0
1923	67.4	40	75.9	71	58.9	24	1.62	118	0
1922	69.6	12	80.8	6	58.4	28	1.54	123	0
1921	70.8	5	79.3	19	62.2	2	5.07	16	0
1920	66.8	53	75.3	81	58.2	30	3.48	45	0
1919	66.4	62	75.6	77	57.2	42	1.64	116	0
1918	59.9	147	68.2	151	51.5	141	2.22	87	0
1917	62.1	132	71.7	138	52.5	131	1.90	99	0
1916	64.3	101	73.5	116	55	91	1.63	117	0
1915	68.9	20	78.1	34	59.6	14	1.71	112	0
1914	63.7	109	73.8	108	53.5	113	0.69	152	0
1913	65	86	74.5	96	55.4	82	2.86	65	0
1912	68.6	22	77.6	41	59.6	14	2.89	63	0
1911	68	30	76.9	48	59.1	21	6.36	6	0
1910	67.6	36	76.1	67	59.1	21	5.50	10	0
1909	65.1	83	75	86	55.2	86	0.76	146	0
1908	68.6	22	81	5	56.1	58	0.71	150	0
1907	66.7	55	74.1	103	59.2	20	3.25	52	0
1906	69.6	12	79.3	19	60	11	3.10	57	0
1905	65.8	73	75.1	84	56.4	49	2.41	80	0
1904	67.6	36	77.4	43	57.8	36	2.35	81	0
1903	67.4	40	77.9	37	56.8	45	1.04	137	0
1902	66.2	66	75.2	83	57.2	42	2.21	88	0
1901	66.5	58	75	86	58	34	1.96	94	0
1900	72.2	3	82.3	3	62.1	3	1.01	139	0
1899	65.4	77	74.8	89	56	62	2.66	70	0
1898	70.2	9	79.4	17	61	9	1.06	135	0
1897	67.7	35	79.8	13	55.5	81	1.65	115	0
1896	65.2	80	74.7	91	55.6	77	4.17	28	0
1895	71.1	4	80.3	8	61.8	4	1.83	105	0
1894	70.4	7	79.3	19	61.4	7	3.68	40	0
1893	65.3	79	74.8	89	55.8	70	1.86	103	0
1892	66.5	58	76.7	56	56.3	51	2.04	90	0
1891	69.4	16	79.7	14	59	23	1.90	99	0
1890			74.3	100			4.24	26	5
1889			74	104			2.87	64	5
1888	61.6	136	69.5	146	53.6	109	1.77	110	0
1887	64.8	88	74.4	99	54.9	92	2.03	91	3
1886	68.7	21	79.1	23	58.2	30	2.86	65	0
1885	65.1	83	76.6	58	54.1	102	1.69	113	3
1884	72.5	2	85.4	2	59.5	16	1.17	133	0
1883	63.7	109	74	104	53.4	115	2.47	78	0
1882	66.9	52	76.2	65	57.5	40	4.08	30	0
1881	77.3	1	87.6	1	66.9	1	0.76	146	0
1880	66	70	75.9	71	56.1	58	3.12	56	0
1879	62.7	127	73.4	118	52	138	1.01	139	0
1878	67	51	77.3	46	56.8	45	5.55	9	0
1877	66.5	58	76.9	48	56	62	1.90	99	0
1876	62.9	126	70.1	144	55.8	70	7.35	5	0
1875	61.6	136	73	124	50.1	146	2.56	76	0
1874					57.6	38	2.56	76	30
1873							1.94	96	30
1872							2.57	75	30
1871							1.56	121	30

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1881	77.3
1884	72.5
1900	72.2
1895	71.1
1921	70.8
1925	70.7
1894	70.4
1931	70.3
1898	70.2
1930	69.8

Coldest
Year	Mean, °F
1962	58.6
1975	58.8
1976	59.9
1918	59.9
1956	60.3
2006	60.9
1967	61.1
1949	61.1
1928	61.2
1966	61.3
More years share the last value

Wettest
Year	Precipitation, in
1945	10.08
2004	10.06
2018	8.50
1926	7.45
1876	7.35
1911	6.36
1990	6.00
1996	5.63
1878	5.55
1910	5.50

Driest
Year	Precipitation, in
1985	0.28
1937	0.57
2017	0.58
1932	0.59
1914	0.69
1943	0.71
1908	0.71
1964	0.74
1930	0.74
1909	0.76
More years share the last value

The hottest, coldest and wettest days

Hottest day: 92°F; 2 September 2026
Coldest night: 42°F; 25 September 2026
Wettest day: 2.19 in; 3 September 2026

Every month, season and year

Months

Seasons

Years

Pittsburgh, PA the day's answers

All-time records

Every answer in words

September 2026 brought 5.03 in of precipitation in Pittsburgh, PA, the wettest September since 2022, 18th wettest of 156.
The hottest day of September 2026 in Pittsburgh, PA: 92°F on Wednesday 2 September 2026.
The coldest night of September 2026 in Pittsburgh, PA: a low of 42°F on Friday 25 September 2026.
The wettest day of September 2026 in Pittsburgh, PA: 2.19 in on Thursday 3 September 2026.