S
M
T
W
T
F
S
30
94°
67°
31
97°
72°
1
98°
72°
2
99°
74°
3
100°
74°
4
100°
74°
5
101°
75°
6
89°
71°
7
87°
70°
8
92°
71°
9
95°
73°
10
85°
68°
11
85°
67°
12
89°
67°
13
91°
68°
14
89°
66°
15
85°
61°
16
84°
60°
17
85°
63°
18
84°
62°
19
81°
61°
20
80°
56°
21
85°
61°
22
80°
61°
23
83°
60°
24
84°
62°
25
84°
62°
26
83°
61°
27
84°
61°
28
82°
60°
29
83°
60°
30
83°
59°
1
82°
56°
2
80°
50°
3
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Beaver Dam
Beaver Dam's September 2026 forecast shows daily high temperatures ranging from 69° to 95°, with overnight lows between 46° and 73°. The average high for September is 84° with an average low of 62°. 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 Beaver Dam. See also: October | November | December.
