New Orleans, LA: September

30 September 2026: September 2026 averaged 82.7°F in New Orleans, LA, the warmest September since 2025, tied 7th warmest of 81 (with 2025).

September 2026

Mean temperature: 82.7°F; Warmest since 2025; 7th warmest of 81
Precipitation: 7.22 in; Wettest since 2024; 20th wettest of 81

A normal September in New Orleans, LA (1991 to 2020): a mean temperature of 80.5°F, between 78.4°F and 83.2°F in eight years of ten and 3.90 in of precipitation, between 0.66 in and 11.38 in in eight years of ten.

The mean temperature of every September in New Orleans, LA since 1946: 82.7°F in 2026; the highest is 85.3°F, in 2019.

Normal range, 78.4 to 83.2°F

Every year, ranked, as a table

Every September in New Orleans, LA from 1946 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	82.7	7	90.3	8	75.1	7	7.22	20
2025	82.7	7	91.8	4	73.6	17	0.64	77
2024	80.9	18	87.4	39	74.3	11	17.37	2
2023	83.6	3	91.7	5	75.5	5	4.12	46
2022	80.6	23	88.5	22	72.7	27	2.46	65
2021	79.4	41	86.2	58	72.5	31	9.38	12
2020	79.7	35	86.1	61	73.4	20	1.78	68
2019	85.3	1	94.2	1	76.4	2	0.19	81
2018	83.3	5	90.4	7	76.3	3	3.54	53
2017	80.1	29	88.2	25	72	36	0.42	78
2016	85.2	2	92.2	2	78.1	1	4.63	39
2015	80.5	25	87.7	33	73.3	22	2.72	62
2014	81.6	12	88.9	19	74.3	11	3.84	50
2013	81.7	10	89.5	15	73.9	14	8.68	15
2012	80.5	25	87.8	30	73.3	22	3.03	58
2011	78.4	53	86.6	50	70.2	51	13.27	7
2010	82.1	9	90.2	10	73.9	14	0.33	79
2009	81	16	87.5	37	74.4	10	9.22	13
2008	78.9	48	85.3	69	72.5	31	11.17	8
2007	81.7	10	89.1	17	74.3	11	2.12	67
2006	79.2	43	87.2	41	71.1	46	4.72	38
2005	83.2	6	90.5	6	75.8	4	4.22	45
2004	80.7	20	87.7	33	73.7	16	1.29	71
2003	80.6	23	87.6	36	73.5	19	5.68	31
2002	80.9	18	87.2	41	74.5	9	14.23	4
2001	78.4	53	85.7	64	71.2	44	6.30	27
2000	79.3	42	87.3	40	71.3	43	6.50	25
1999	78.2	55	86.5	54	69.8	52	2.87	60
1998	81.1	13	86.6	50	75.5	5	18.98	1
1997	81.1	13	89.8	13	72.3	33	0.81	75
1996	79	47	86.5	54	71.5	42	3.96	49
1995	79.5	40	90.3	8	68.7	65	0.69	76
1994	77.7	62	87.9	27	67.6	74	5.61	32
1993	79.7	35	89	18	70.4	50	2.47	64
1992	78.5	51	85.3	69	71.6	40	6.63	23
1991	78.2	55	87	45	69.3	58	3.44	55
1990	79.6	38	89.5	15	69.6	55	4.55	40
1989	76.9	70	84.8	71	69	63	4.53	42
1988	79.8	34	86.6	50	72.9	25	5.86	28
1987	78.2	55	88.1	26	68.3	70	1.29	71
1986	81	16	89.9	11	72.1	35	1.42	70
1985	77	67	84.7	72	69.3	58	5.74	29
1984	76.3	75	84.2	75	68.4	68	3.79	51
1983	75.2	79	83.9	77	66.6	78	5.72	30
1982	76.8	72	85.5	67	68.1	72	5.40	34
1981	77.9	60	87.8	30	68	73	4.78	37
1980	83.5	4	92.1	3	74.8	8	6.31	26
1979	79.2	43	86.2	58	72.3	33	4.55	40
1978	81.1	13	88.6	21	73.6	17	2.98	59
1977	80.2	28	87.7	33	72.7	27	13.48	6
1976	77.8	61	87.1	44	68.4	68	1.57	69
1975	75	81	83.5	79	66.6	78	3.97	48
1974	77	67	84.5	74	69.5	56	7.58	18
1973	79.7	35	86.8	49	72.6	30	11.07	9
1972	79.6	38	89.9	11	69.2	61	3.29	57
1971	78.9	48	86.1	61	71.6	40	16.74	3
1970	80	31	88.4	23	71.7	38	4.25	44
1969	76.7	73	86.6	50	66.8	77	1.08	73
1968	75.4	78	85.4	68	65.4	81	2.44	66
1967	75.1	80	84.2	75	66	80	3.73	52
1966	77	67	86.3	57	67.6	74	5.55	33
1965	76.2	76	83.8	78	68.6	66	10.03	11
1964	76.9	70	87	45	66.9	76	4.93	36
1963	77.7	62	86	63	69.3	58	7.35	19
1962	78.5	51	88.4	23	68.6	66	2.52	63
1961	78.1	58	85.7	64	70.5	49	8.90	14
1960	78.1	58	87.2	41	69.1	62	4.11	47
1959	79.9	33	86.9	47	72.9	25	3.47	54
1958	80.1	29	86.9	47	73.2	24	6.57	24
1957	76.7	73	82.7	81	70.7	48	10.21	10
1956	77.7	62	86.5	54	69	63	8.02	17
1955	80.7	20	87.9	27	73.4	20	4.53	42
1954	80.7	20	89.7	14	71.7	38	6.66	22
1953	79.2	43	88.9	19	69.5	56	0.24	80
1952	77.6	65	85.6	66	69.7	54	2.81	61
1951	80	31	87.9	27	72	36	7.04	21
1950	79.2	43	87.5	37	70.9	47	0.98	74
1949	78.7	50	86.2	58	71.2	44	5.19	35
1948	75.8	77	83.3	80	68.3	70	13.53	5
1947	80.3	27	87.8	30	72.7	27	3.40	56
1946	77.2	66	84.6	73	69.8	52	8.35	16

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2019	85.3
2016	85.2
2023	83.6
1980	83.5
2018	83.3
2005	83.2
2026	82.7
2025	82.7
2010	82.1
2013	81.7
More years share the last value

Coldest
Year	Mean, °F
1975	75
1967	75.1
1983	75.2
1968	75.4
1948	75.8
1965	76.2
1984	76.3
1969	76.7
1957	76.7
1982	76.8

Wettest
Year	Precipitation, in
1998	18.98
2024	17.37
1971	16.74
2002	14.23
1948	13.53
1977	13.48
2011	13.27
2008	11.17
1973	11.07
1957	10.21

Driest
Year	Precipitation, in
2019	0.19
1953	0.24
2010	0.33
2017	0.42
2025	0.64
1995	0.69
1997	0.81
1950	0.98
1969	1.08
2004	1.29
More years share the last value

The hottest, coldest and wettest days

Hottest day: 94°F; 14 September 2026
Coldest night: 69°F; 26 September 2026
Wettest day: 3.87 in; 10 September 2026

Every month, season and year

Months

Seasons

Years

New Orleans, LA the day's answers

All-time records

Every answer in words

September 2026 brought 7.22 in of precipitation in New Orleans, LA, the wettest September since 2024, 20th wettest of 81.
The hottest day of September 2026 in New Orleans, LA: 94°F on Monday 14 September 2026.
The coldest night of September 2026 in New Orleans, LA: a low of 69°F on Saturday 26 September 2026.
The wettest day of September 2026 in New Orleans, LA: 3.87 in on Thursday 10 September 2026.