S
M
T
W
T
F
S
30
95°
75°
31
94°
76°
1
94°
77°
2
91°
77°
3
90°
74°
4
90°
76°
5
89°
76°
6
89°
75°
7
90°
75°
8
90°
76°
9
93°
76°
10
91°
75°
11
92°
76°
12
89°
75°
13
92°
76°
14
92°
71°
15
89°
72°
16
88°
71°
17
87°
72°
18
88°
74°
19
89°
75°
20
90°
74°
21
89°
74°
22
88°
73°
23
88°
74°
24
86°
73°
25
86°
73°
26
87°
72°
27
88°
73°
28
88°
73°
29
89°
72°
30
89°
72°
1
88°
71°
2
88°
71°
3
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Orleans
New Orleans's September 2026 forecast shows daily high temperatures ranging from 86° to 95°, with overnight lows between 68° and 77°. The average high for September is 90° with an average low of 74°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in New Orleans. See also: October | November | December.
