Indianapolis, IN: Fall

10 October 2026: Fall 2026 so far averaged 71.5°F in Indianapolis, IN, the warmest 1 September to 10 October since 2019, 4th warmest of 156.

Fall 2026 so far, to 10 October 2026

Mean temperature: 71.5°F; Warmest since 2019; 4th warmest of 156
Precipitation: 1.76 in; Driest since 2024; 25th driest of 156

A normal 1 September to 10 October in Indianapolis, IN (1991 to 2020): a mean temperature of 65.7°F, between 62.5°F and 69.7°F in eight years of ten and 4.11 in of precipitation, between 0.84 in and 7.49 in in eight years of ten.

The mean temperature of every 1 September to 10 October in Indianapolis, IN since 1871: 71.5°F in 2026; the highest is 71.8°F, in 2019 and 2018.

Normal range, 62.5 to 69.7°F

Every year, ranked, as a table

Every 1 September to 10 October in Indianapolis, IN 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
2026	71.5	4	81.6	5	61.4	5	1.76	132
2025	69.5	15	80.9	8	58.2	27	1.92	126
2024	69.3	19	80.4	11	58.2	27	1.52	136
2023	67.9	32	78.2	40	57.5	38	2.38	112
2022	65.3	75	75.7	77	54.8	78	2.12	121
2021	69.9	13	79.2	23	60.7	8	8.09	12
2020	65.5	71	76.6	59	54.3	92	0.12	156
2019	71.8	1	82.5	4	61.2	6	0.69	154
2018	71.8	1	80.5	9	63.1	1	6.85	24
2017	69.4	17	79.5	18	59.3	19	2.55	108
2016	69.5	15	79.3	19	59.6	16	4.71	49
2015	68.1	30	78.2	40	58	29	1.89	127
2014	62.9	125	72.8	130	52.9	115	3.46	85
2013	68.2	28	78.5	35	58	29	5.43	37
2012	61.9	143	71	150	52.8	118	9.49	4
2011	65.1	81	74.9	93	55.2	70	5.37	39
2010	67.7	34	80.3	13	55	76	0.84	150
2009	64.6	92	73.1	124	56.2	53	4.53	54
2008	67.6	37	78.1	42	57.1	43	3.03	92
2007	71.7	3	82.6	3	60.8	7	1.75	133
2006	63.7	106	73.3	120	54.2	93	4.11	65
2005	68.8	24	78.4	37	59.1	21	4.67	50
2004	66.1	62	77.1	54	55.2	70	0.80	152
2003	62.5	129	72.4	137	52.6	120	10.52	2
2002	69.2	20	79.6	17	58.8	24	4.38	57
2001	63	121	73.6	111	52.4	125	6.63	26
2000	62.5	129	72.9	127	52.1	127	7.46	17
1999	64.7	89	77.8	46	51.6	135	2.12	121
1998	68.2	28	78.8	31	57.7	35	4.11	65
1997	66.3	59	77.5	50	55.2	70	1.87	128
1996	63.1	118	73.2	122	53.1	112	7.79	15
1995	63.3	115	74.6	97	52.1	127	2.12	121
1994	64.8	85	75.7	77	53.8	100	2.65	105
1993	60.6	152	71.1	149	50.1	149	7.08	21
1992	63.1	118	73.8	106	52.5	124	4.45	55
1991	65.8	67	78.5	35	53.2	110	2.13	120
1990	65.4	73	75.6	82	55.2	70	6.64	25
1989	61.5	146	71.7	142	51.3	140	8.13	11
1988	63.6	109	75.1	89	52	131	1.42	138
1987	63.5	111	75.8	76	51.2	142	1.80	130
1986	67.6	37	77.8	46	57.4	39	12.08	1
1985	63.2	117	74.4	100	52.1	127	2.86	100
1984	63.4	112	73.8	106	53	114	5.94	30
1983	68.1	30	81	6	55.2	70	2.05	125
1982	65.3	75	76	70	54.6	84	1.85	129
1981	62.1	137	72.5	135	51.7	134	2.30	114
1980	64.7	89	76.6	59	52.9	115	3.58	82
1979	62	142	73.8	106	50.3	147	1.25	145
1978	66.4	56	78.1	42	54.6	84	1.30	143
1977	66.1	62	76.3	64	55.8	63	5.45	36
1976	62.1	137	74.4	100	49.8	152	2.56	107
1975	61.4	148	72	139	50.8	145	3.64	79
1974	58.2	156	69	155	47.4	156	3.27	89
1973	69.2	20	79.2	23	59.2	20	3.58	82
1972	65.7	68	75.2	86	56.2	53	6.18	27
1971	67.6	37	77.7	48	57.4	39	3.85	73
1970	66.4	56	78.3	39	54.6	84	4.00	69
1969	64.8	85	75.7	77	53.9	97	4.13	64
1968	63	121	73.8	106	52.2	126	2.15	119
1967	64.8	85	76.1	69	53.5	105	2.93	97
1966	62.4	134	73.5	115	51.4	139	6.17	28
1965	63.8	104	73.2	122	54.4	90	5.61	34
1964	63.4	112	76	70	50.8	145	1.37	139
1963	64.6	92	79	27	50.2	148	0.24	155
1962	62.5	129	72.5	135	52.6	120	4.99	44
1961	67.7	34	79.3	19	56.1	55	4.40	56
1960	67.2	44	78.4	37	56	57	2.73	103
1959	67.5	42	78.9	28	56.1	55	7.01	23
1958	63.3	115	73.3	120	53.3	109	4.60	51
1957	62.5	129	73	125	52.1	127	2.22	117
1956	62.7	128	75.7	77	49.7	153	1.07	146
1955	66.9	48	79.1	25	54.6	84	9.05	6
1954	68.8	24	81	6	56.7	48	1.34	140
1953	65.1	81	79.1	25	51.1	143	2.18	118
1952	62.1	137	75.1	89	49.1	154	4.95	45
1951	62.4	134	74.8	94	50.1	149	3.04	91
1950	62.9	125	72.7	132	53.1	112	5.54	35
1949	62.1	137	73	125	51.3	140	4.14	63
1948	64.2	98	74.4	100	53.9	97	3.42	87
1947	65.1	81	76.5	63	53.7	103	4.03	68
1946	65.5	71	79.3	19	51.6	135	1.00	147
1945	63.7	106	73.5	115	54	95	7.02	22
1944	64.7	89	75	92	54.5	89	2.92	98
1943	61	151	73.4	118	48.6	155	3.26	90
1942	66.1	62	76.2	67	56	57	3.63	80
1941	70.4	9	80	14	60.7	8	5.93	31
1940	65.7	68	76.9	55	54.6	84	1.34	140
1939	71	7	83.1	2	58.8	24	1.49	137
1938	67	46	77.3	53	56.8	45	1.74	134
1937	64.5	95	73.6	111	55.3	68	6.14	29
1936	68.7	27	77.5	50	60	15	5.39	38
1935	63	121	72.7	132	53.4	106	4.15	61
1934	65.6	70	75.3	85	56	57	4.54	53
1933	68.8	24	78	44	59.6	16	5.78	33
1932	64.1	100	73.5	115	54.7	82	8.74	8
1931	71.3	5	80.5	9	62.1	4	4.92	47
1930	67.3	43	76.6	59	58	29	4.15	61
1929	63.6	109	72.3	138	54.8	78	2.09	124
1928	63.7	106	73.6	111	53.9	97	1.78	131
1927	69.2	20	78.9	28	59.5	18	3.63	80
1926	67	46	75.1	89	59	23	10.28	3
1925	69	23	77.6	49	60.3	12	8.24	9
1924	62.1	137	71.4	143	52.7	119	3.52	84
1923	64.1	100	72.9	127	55.3	68	3.91	71
1922	70.2	10	80.4	11	60.1	14	2.85	101
1921	66.5	54	75.2	86	57.9	32	8.19	10
1920	66.7	51	76.7	58	56.8	45	2.37	113
1919	70.2	10	79.7	15	60.6	10	4.81	48
1918	60.3	154	69.5	154	51	144	5.35	40
1917	61.8	144	72	139	51.6	135	3.01	95
1916	65.3	75	76.3	64	54.2	93	2.28	115
1915	64.3	97	73.4	118	55.2	70	4.37	58
1914	66.6	52	75.9	74	57.4	39	3.33	88
1913	66.3	59	76	70	56.7	48	3.02	94
1912	66.6	52	76.6	59	56.7	48	3.80	74
1911	67.7	34	76.3	64	59.1	21	7.32	19
1910	66.4	56	75.2	86	57.7	35	8.02	13
1909	63.4	112	73.9	105	52.9	115	2.73	103
1908	67.6	37	79.3	19	55.9	60	1.26	144
1907	64.6	92	73.7	110	55.4	67	3.67	78
1906	66.8	50	75.9	74	57.8	33	5.08	42
1905	67.2	44	76.9	55	57.6	37	3.88	72
1904	65.3	75	74.7	95	55.9	60	4.10	67
1903	66.1	62	75.7	77	56.5	52	4.59	52
1902	62.8	127	71.8	141	53.8	100	7.43	18
1901	65	84	75.4	84	54.7	82	0.81	151
1900	69.6	14	78.8	31	60.4	11	5.03	43
1899	63.8	104	74.4	100	53.2	110	2.64	106
1898	69.4	17	78.6	34	60.3	12	5.88	32
1897	70	12	83.3	1	56.8	45	0.79	153
1896	61.2	149	70.6	152	51.9	133	9.01	7
1895	66.5	54	77.5	50	55.5	65	7.86	14
1894	65.9	66	76.2	67	55.6	64	3.71	77
1893	67.6	37	77.9	45	57.4	39	5.35	40
1892	65.4	73	76.8	57	54	95	2.47	111
1891	67.9	32	78.9	28	56.9	44	1.31	142
1890	63	121	71.3	145	54.8	78	9.20	5
1889	61.5	146	71.4	143	51.6	135	3.79	75
1888	60.5	153	71	150	50	151	1.62	135
1887	64.5	95	74.6	97	54.4	90	2.49	110
1886	64.8	85	76	70	53.7	103	3.43	86
1885	61.6	145	71.3	145	52	131	4.35	59
1884	71.2	6	79.7	15	62.7	2	3.74	76
1883	62.3	136	71.2	147	53.4	106	4.94	46
1882	65.3	75	74	104	56.6	51	1.00	147
1881	70.6	8	78.8	31	62.3	3	7.77	16
1880	63.9	103	72.9	127	54.9	77	2.50	109
1879	64.1	100	72.7	132	55.5	65	7.32	19
1878	65.2	80	74.5	99	55.9	60	4.17	60
1877	64.2	98	73.6	111	54.8	78	3.03	92
1876	60.1	155	67.6	156	52.6	120	3.97	70
1875	61.2	149	69.8	153	52.6	120	2.90	99
1874	66.9	48	75.5	83	58.3	26	2.28	115
1873	62.5	129	71.2	147	53.8	100	2.78	102
1872	66.2	61	74.7	95	57.8	33	2.99	96
1871	63.1	118	72.8	130	53.4	106	0.97	149

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2019	71.8
2018	71.8
2007	71.7
2026	71.5
1931	71.3
1884	71.2
1939	71
1881	70.6
1941	70.4
1922	70.2
More years share the last value

Coldest
Year	Mean, °F
1974	58.2
1876	60.1
1918	60.3
1888	60.5
1993	60.6
1943	61
1896	61.2
1875	61.2
1975	61.4
1989	61.5
More years share the last value

Wettest
Year	Precipitation, in
1986	12.08
2003	10.52
1926	10.28
2012	9.49
1890	9.20
1955	9.05
1896	9.01
1932	8.74
1925	8.24
1921	8.19

Driest
Year	Precipitation, in
2020	0.12
1963	0.24
2019	0.69
1897	0.79
2004	0.80
1901	0.81
2010	0.84
1871	0.97
1946	1.00
1882	1.00

The hottest, coldest and wettest days

Hottest day: 97°F; 4 September 2026
Coldest night: 47°F; 5 October 2026
Wettest day: 0.64 in; 21 September 2026

Every month, season and year

Months

Seasons

Years

Indianapolis, IN the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 1.76 in of precipitation in Indianapolis, IN, the driest 1 September to 10 October since 2024, 25th driest of 156.
The hottest day of fall 2026 so far in Indianapolis, IN: 97°F on Friday 4 September 2026.
The coldest night of fall 2026 so far in Indianapolis, IN: a low of 47°F on Monday 5 October 2026.
The wettest day of fall 2026 so far in Indianapolis, IN: 0.64 in on Monday 21 September 2026.