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
90°
78°
9
88°
77°
10
86°
76°
11
88°
77°
12
89°
76°
13
92°
78°
14
94°
78°
15
92°
77°
16
93°
75°
17
90°
75°
18
89°
77°
19
90°
75°
20
90°
74°
21
89°
73°
22
92°
76°
23
91°
75°
24
91°
76°
25
90°
75°
26
90°
75°
27
87°
74°
28
87°
75°
29
86°
75°
30
88°
74°
1
87°
71°
2
84°
67°
3
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Westwego
Westwego's September 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 67° and 78°. 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 Westwego. See also: October | November | December.
