S
M
T
W
T
F
S
30
95°
70°
31
97°
73°
1
98°
71°
2
98°
73°
3
100°
76°
4
101°
75°
5
96°
74°
6
93°
72°
7
93°
73°
8
89°
68°
9
91°
69°
10
91°
71°
11
86°
63°
12
83°
63°
13
88°
65°
14
84°
60°
15
80°
64°
16
79°
64°
17
80°
63°
18
84°
63°
19
85°
62°
20
83°
63°
21
82°
62°
22
85°
61°
23
85°
61°
24
84°
62°
25
85°
62°
26
85°
60°
27
84°
61°
28
84°
61°
29
83°
60°
30
84°
60°
1
83°
59°
2
82°
59°
3
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in FirstBank Stadium
FirstBank Stadium's September 2026 forecast shows daily high temperatures ranging from 79° to 101°, with overnight lows between 58° and 76°. The average high for September is 87° with an average low of 65°. 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 FirstBank Stadium. See also: October | November | December.
