S
M
T
W
T
F
S
30
92°
74°
31
91°
74°
1
91°
73°
2
90°
74°
3
91°
74°
4
91°
73°
5
90°
72°
6
91°
73°
7
90°
74°
8
89°
73°
9
87°
74°
10
88°
74°
11
88°
73°
12
89°
74°
13
87°
73°
14
86°
73°
15
86°
72°
16
87°
73°
17
86°
73°
18
86°
72°
19
87°
69°
20
85°
67°
21
84°
69°
22
85°
71°
23
86°
71°
24
84°
70°
25
87°
71°
26
86°
70°
27
87°
70°
28
86°
69°
29
86°
69°
30
86°
70°
1
84°
69°
2
86°
67°
3
Hist. Avg.
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bayou Blue
Bayou Blue's September 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 67° and 74°. The average high for September is 88° with an average low of 72°. 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 Bayou Blue. See also: October | November | December.
