S
M
T
W
T
F
S
30
91°
77°
31
92°
77°
1
91°
76°
2
89°
76°
3
89°
75°
4
90°
76°
5
88°
76°
6
87°
75°
7
89°
76°
8
90°
75°
9
90°
76°
10
89°
76°
11
92°
75°
12
91°
75°
13
91°
74°
14
90°
75°
15
91°
74°
16
91°
74°
17
90°
73°
18
91°
73°
19
90°
72°
20
86°
73°
21
89°
69°
22
86°
70°
23
87°
70°
24
90°
67°
25
89°
70°
26
88°
69°
27
90°
70°
28
88°
70°
29
85°
69°
30
86°
69°
1
89°
68°
2
89°
68°
3
88°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Moss Bluff
Moss Bluff's September 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 67° and 77°. The average high for September is 89° with an average low of 73°. 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 Moss Bluff. See also: October | November | December.
