S
M
T
W
T
F
S
30
70°
61°
31
76°
52°
1
74°
58°
2
71°
64°
3
80°
61°
4
76°
56°
5
70°
58°
6
69°
50°
7
75°
46°
8
72°
51°
9
72°
53°
10
80°
60°
11
69°
47°
12
75°
42°
13
72°
62°
14
67°
45°
15
67°
40°
16
75°
57°
17
74°
59°
18
69°
47°
19
63°
38°
20
55°
40°
21
57°
43°
22
64°
40°
23
67°
37°
24
67°
37°
25
72°
40°
26
69°
49°
27
63°
54°
28
58°
53°
29
59°
51°
30
61°
53°
1
67°
55°
2
69°
49°
3
59°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brandon
Brandon's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Brandon. See also: October | November | December.