S
M
T
W
T
F
S
30
95°
63°
31
100°
65°
1
100°
70°
2
101°
73°
3
100°
73°
4
100°
73°
5
102°
74°
6
91°
73°
7
88°
62°
8
95°
59°
9
94°
70°
10
81°
69°
11
85°
66°
12
93°
65°
13
88°
67°
14
88°
62°
15
100°
69°
16
95°
73°
17
98°
71°
18
99°
72°
19
97°
70°
20
93°
70°
21
N/A
22
70°
58°
23
72°
59°
24
75°
60°
25
75°
53°
26
76°
60°
27
80°
61°
28
78°
60°
29
80°
58°
30
77°
58°
1
78°
59°
2
76°
55°
3
70°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Busch Stadium
Busch Stadium's September 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 53° and 61°. The average high for September is 76° with an average low of 59°. 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 Busch Stadium. See also: October | November | December.
