S
M
T
W
T
F
S
30
91°
82°
31
89°
79°
1
92°
81°
2
93°
80°
3
92°
76°
4
88°
77°
5
92°
77°
6
93°
77°
7
95°
81°
8
94°
81°
9
91°
80°
10
84°
78°
11
89°
76°
12
92°
73°
13
94°
78°
14
96°
79°
15
95°
74°
16
90°
76°
17
90°
74°
18
92°
71°
19
93°
77°
20
93°
79°
21
94°
76°
22
N/A
23
N/A
24
91°
73°
25
88°
76°
26
N/A
27
N/A
28
94°
76°
29
91°
73°
30
91°
76°
1
88°
77°
2
88°
78°
3
83°
76°
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 83° to 91°, with overnight lows between 76° and 78°. The average high for September is 88° with an average low of 77°. 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.
