Caribou, ME: September

30 September 2026: September 2026 averaged 55°F in Caribou, ME, the warmest September since 2025, tied 41st warmest of 88 (with 1996).

September 2026

Mean temperature: 55°F; Warmest since 2025; 41st warmest of 88
Precipitation: 1.30 in; Driest since 2024; 5th driest of 88

A normal September in Caribou, ME (1991 to 2020): a mean temperature of 56°F, between 53.6°F and 58.8°F in eight years of ten and 3.15 in of precipitation, between 1.73 in and 5.18 in in eight years of ten.

The mean temperature of every September in Caribou, ME since 1939: 55°F in 2026; the highest is 61.7°F, in 1999.

Normal range, 53.6 to 58.8°F

Every year, ranked, as a table

Every September in Caribou, ME from 1939 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	55	41	66.3	35	43.7	51	1.30	84
2025	56.7	21	69.1	13	44.3	44	1.77	77
2024	59.9	5	70.7	5	49.1	7	0.93	87
2023	60.9	4	71.2	4	50.5	2	4.00	21
2022	56.8	19	67.3	21	46.4	16	1.86	75
2021	58.5	9	68	18	48.9	8	6.13	7
2020	57.1	17	69.9	7	44.3	44	1.15	86
2019	54.6	47	64.8	51	44.4	41	4.87	14
2018	57.6	14	69.3	11	45.9	21	1.74	78
2017	61	3	72.3	2	49.8	4	3.13	45
2016	58.6	7	68.9	15	48.3	9	2.48	62
2015	61.4	2	72.7	1	50.1	3	3.83	26
2014	55.9	29	67	26	44.7	37	2.59	59
2013	56.7	21	66.5	33	46.8	14	7.01	3
2012	56.8	19	68.1	17	45.5	27	3.09	46
2011	58.6	7	69.1	13	48.1	10	3.44	37
2010	57.8	13	66	39	49.6	5	5.81	9
2009	54.4	50	66.7	30	42.2	70	1.95	72
2008	55.3	38	65.9	40	44.6	38	4.96	13
2007	55.5	32	67.1	23	43.8	49	2.07	68
2006	54.8	44	65.8	41	43.9	47	2.88	51
2005	56.4	23	66.8	27	46	19	5.04	12
2004	54.7	46	66.6	31	42.9	63	2.04	69
2003	58.4	10	69.5	9	47.3	11	1.95	72
2002	58	12	68.9	15	47.1	13	4.15	19
2001	57.1	17	68	18	46.2	18	3.65	32
2000	53.6	59	64	57	43.1	60	1.59	79
1999	61.7	1	71.9	3	51.5	1	8.81	1
1998	55.5	32	64.4	53	46.6	15	3.22	41
1997	54.2	53	63.5	61	44.9	35	2.67	55
1996	55	41	64.9	49	45	33	3.81	27
1995	51.8	76	64.4	53	39.1	85	1.90	74
1994	53.5	62	63.4	63	43.6	53	3.16	44
1993	54.1	55	64.5	52	43.6	53	5.11	11
1992	56.1	27	67.1	23	45.2	30	1.51	82
1991	52.1	72	62.7	72	41.5	77	3.45	36
1990	53.4	64	63.7	59	43.2	56	3.78	29
1989	55.3	38	66.3	35	44.4	41	3.52	35
1988	52.3	71	62.1	75	42.6	66	1.82	76
1987	54.5	48	63.4	63	45.6	25	4.37	17
1986	50.5	85	60.6	85	40.3	81	3.58	33
1985	56	28	66.8	27	45.3	29	2.30	65
1984	51.6	78	62.5	74	40.8	80	1.54	80
1983	57.2	16	69.2	12	45.2	30	2.70	54
1982	54.8	44	63.7	59	46	19	3.70	31
1981	53.1	65	62.9	68	43.2	56	2.38	63
1980	50.8	82	60.6	85	41	79	4.06	20
1979	54.3	52	66.1	38	42.6	66	4.68	15
1978	50.3	86	61.8	79	38.9	86	2.74	53
1977	51.2	81	60.3	88	42	76	3.54	34
1976	51.4	80	60.7	83	42.2	70	2.52	61
1975	54.5	48	63.5	61	45.4	28	2.98	50
1974	52.7	69	62.6	73	42.7	64	3.40	38
1973	52.9	67	62.8	70	43	62	2.62	56
1972	54.2	53	65.1	46	43.2	56	3.88	24
1971	56.2	26	66.5	33	45.8	22	2.62	56
1970	53.9	56	62.1	75	45.7	23	5.46	10
1969	52.7	69	62.8	70	42.7	64	6.80	4
1968	58.4	10	69.6	8	47.3	11	0.86	88
1967	55.8	30	66.6	31	45	33	6.61	5
1966	51.7	77	63.1	66	40.2	82	3.19	43
1965	53.9	56	65.3	44	42.5	68	3.07	48
1964	50.8	82	61.4	81	40.2	82	1.33	83
1963	50.8	82	63.3	65	38.4	88	3.38	39
1962	51.5	79	61	82	42.1	72	3.84	25
1961	59.5	6	69.4	10	49.6	5	6.19	6
1960	55.5	32	66.8	27	44.1	46	2.60	58
1959	56.3	24	67.5	20	45.2	30	3.22	41
1958	53.6	59	64.1	56	43.1	60	2.01	70
1957	55.5	32	65.2	45	45.7	23	3.79	28
1956	50.3	86	60.4	87	40.2	82	2.57	60
1955	52.1	72	62	77	42.1	72	2.81	52
1954	52.1	72	60.7	83	43.5	55	8.14	2
1953	54.9	43	64.9	49	44.9	35	2.35	64
1952	54.4	50	65.6	42	43.2	56	2.18	67
1951	55.1	40	65.5	43	44.6	38	2.26	66
1950	50.2	88	61.5	80	38.9	86	1.26	85
1949	53.5	62	63.1	66	43.8	49	4.40	16
1948	55.6	31	67.3	21	43.9	47	3.27	40
1947	53.7	58	65	48	42.4	69	3.09	46
1946	57.5	15	70.4	6	44.6	38	1.54	80
1945	55.4	36	65.1	46	45.6	25	5.90	8
1944	56.3	24	66.2	37	46.3	17	3.71	30
1943	52.8	68	64.3	55	41.2	78	1.97	71
1942	55.4	36	67.1	23	43.7	51	3.04	49
1941	53	66	63.9	58	42.1	72	3.97	22
1940	53.6	59	62.9	68	44.4	41	3.89	23
1939	52	75	61.9	78	42.1	72	4.24	18

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1999	61.7
2015	61.4
2017	61
2023	60.9
2024	59.9
1961	59.5
2016	58.6
2011	58.6
2021	58.5
2003	58.4
More years share the last value

Coldest
Year	Mean, °F
1950	50.2
1978	50.3
1956	50.3
1986	50.5
1980	50.8
1964	50.8
1963	50.8
1977	51.2
1976	51.4
1962	51.5

Wettest
Year	Precipitation, in
1999	8.81
1954	8.14
2013	7.01
1969	6.80
1967	6.61
1961	6.19
2021	6.13
1945	5.90
2010	5.81
1970	5.46

Driest
Year	Precipitation, in
1968	0.86
2024	0.93
2020	1.15
1950	1.26
2026	1.30
1964	1.33
1992	1.51
1984	1.54
1946	1.54
2000	1.59

The hottest, coldest and wettest days

Hottest day: 75°F; 25 September 2026, 10 September 2026
Coldest night: 32°F; 23 September 2026
Wettest day: 0.66 in; 3 September 2026

Every month, season and year

Months

Seasons

Years

Caribou, ME the day's answers

All-time records

Every answer in words

September 2026 brought 1.30 in of precipitation in Caribou, ME, the driest September since 2024, 5th driest of 88.
The hottest day of September 2026 in Caribou, ME: 75°F on Friday 25 September 2026 and Thursday 10 September 2026.
The coldest night of September 2026 in Caribou, ME: a low of 32°F on Wednesday 23 September 2026.
The wettest day of September 2026 in Caribou, ME: 0.66 in on Thursday 3 September 2026.