S
M
T
W
T
F
S
30
74°
59°
31
74°
57°
1
77°
55°
2
77°
57°
3
76°
55°
4
77°
60°
5
74°
59°
6
74°
59°
7
79°
58°
8
78°
57°
9
69°
53°
10
72°
57°
11
77°
58°
12
78°
58°
13
78°
59°
14
79°
58°
15
78°
59°
16
78°
58°
17
76°
57°
18
75°
57°
19
76°
56°
20
75°
56°
21
75°
56°
22
74°
56°
23
74°
55°
24
73°
55°
25
74°
54°
26
73°
53°
27
70°
52°
28
64°
52°
29
71°
53°
30
72°
51°
1
68°
51°
2
63°
36°
3
59°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lambeau Field
Lambeau Field's September 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 36° and 60°. The average high for September is 74° with an average low of 55°. 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 Lambeau Field. See also: October | November | December.
