S
M
T
W
T
F
S
30
98°
75°
31
98°
76°
1
81°
78°
2
92°
78°
3
88°
77°
4
93°
75°
5
92°
75°
6
94°
74°
7
95°
76°
8
93°
75°
9
92°
76°
10
93°
76°
11
91°
76°
12
92°
76°
13
91°
75°
14
94°
74°
15
94°
77°
16
95°
77°
17
95°
73°
18
93°
69°
19
93°
71°
20
95°
74°
21
96°
73°
22
96°
72°
23
97°
73°
24
95°
67°
25
90°
72°
26
91°
71°
27
91°
71°
28
90°
72°
29
87°
72°
30
83°
69°
1
86°
68°
2
87°
67°
3
85°
68°
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 83° to 97°, with overnight lows between 67° and 73°. The average high for September is 89° with an average low of 70°. 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.
