S
M
T
W
T
F
S
30
94°
74°
31
94°
73°
1
93°
72°
2
94°
74°
3
95°
73°
4
89°
72°
5
90°
70°
6
92°
69°
7
93°
70°
8
93°
72°
9
94°
72°
10
93°
71°
11
94°
72°
12
93°
71°
13
91°
72°
14
90°
68°
15
92°
70°
16
93°
70°
17
94°
71°
18
93°
68°
19
92°
62°
20
84°
65°
21
85°
64°
22
87°
62°
23
87°
63°
24
90°
67°
25
89°
65°
26
87°
65°
27
82°
66°
28
85°
64°
29
83°
64°
30
87°
65°
1
87°
64°
2
86°
64°
3
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brantley
Brantley's September 2026 forecast shows daily high temperatures ranging from 82° to 95°, with overnight lows between 62° and 74°. The average high for September is 90° with an average low of 68°. 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 Brantley. See also: October | November | December.