S
M
T
W
T
F
S
30
91°
78°
31
94°
78°
1
94°
75°
2
93°
77°
3
93°
77°
4
92°
76°
5
91°
77°
6
90°
76°
7
90°
75°
8
89°
76°
9
90°
73°
10
92°
73°
11
90°
74°
12
91°
73°
13
90°
72°
14
87°
71°
15
88°
72°
16
89°
72°
17
88°
73°
18
91°
73°
19
89°
74°
20
89°
75°
21
Hist. Avg.
88°
71°
22
Hist. Avg.
87°
71°
23
Hist. Avg.
87°
70°
24
Hist. Avg.
87°
70°
25
Hist. Avg.
86°
70°
26
Hist. Avg.
86°
69°
27
Hist. Avg.
86°
69°
28
Hist. Avg.
86°
69°
29
Hist. Avg.
86°
68°
30
Hist. Avg.
85°
68°
1
Hist. Avg.
85°
68°
2
Hist. Avg.
85°
67°
3
Hist. Avg.
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in New Orleans
New Orleans's September 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 71° and 78°. The average high for September is 91° 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.
