S
M
T
W
T
F
S
30
79°
59°
31
75°
59°
1
78°
58°
2
81°
54°
3
80°
49°
4
72°
51°
5
72°
58°
6
79°
53°
7
77°
50°
8
70°
51°
9
70°
54°
10
71°
57°
11
72°
56°
12
79°
57°
13
78°
55°
14
78°
49°
15
74°
47°
16
67°
50°
17
68°
46°
18
68°
45°
19
69°
43°
20
66°
42°
21
64°
45°
22
66°
51°
23
69°
44°
24
68°
50°
25
71°
52°
26
68°
51°
27
73°
52°
28
73°
47°
29
72°
45°
30
62°
46°
1
65°
47°
2
71°
48°
3
63°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pewaukee West
Pewaukee West's September 2026 forecast shows daily high temperatures ranging from 62° to 81°, with overnight lows between 39° and 59°. The average high for September is 72° with an average low of 50°. 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 Pewaukee West. See also: October | November | December.
