S
M
T
W
T
F
S
30
91°
82°
31
89°
79°
1
91°
77°
2
91°
76°
3
92°
78°
4
87°
76°
5
88°
78°
6
93°
78°
7
95°
79°
8
94°
78°
9
93°
77°
10
95°
77°
11
92°
76°
12
91°
77°
13
92°
76°
14
90°
74°
15
87°
76°
16
86°
75°
17
86°
75°
18
87°
76°
19
85°
76°
20
85°
75°
21
83°
75°
22
85°
74°
23
86°
75°
24
86°
75°
25
87°
74°
26
88°
73°
27
90°
74°
28
90°
73°
29
89°
72°
30
89°
74°
1
85°
74°
2
84°
73°
3
85°
73°
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 83° to 95°, with overnight lows between 72° and 79°. The average high for September is 89° with an average low of 75°. 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.
