S
M
T
W
T
F
S
30
93°
78°
31
94°
77°
1
93°
76°
2
92°
77°
3
93°
76°
4
91°
78°
5
92°
79°
6
93°
78°
7
89°
78°
8
89°
78°
9
88°
77°
10
88°
77°
11
87°
76°
12
88°
77°
13
90°
77°
14
89°
76°
15
90°
76°
16
87°
75°
17
87°
76°
18
89°
76°
19
89°
75°
20
90°
76°
21
91°
76°
22
90°
75°
23
91°
75°
24
91°
74°
25
90°
74°
26
90°
73°
27
89°
75°
28
90°
74°
29
89°
74°
30
89°
73°
1
88°
74°
2
89°
72°
3
87°
72°
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 87° to 94°, with overnight lows between 72° and 79°. The average high for September is 90° with an average low of 76°. 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.
