S
M
T
W
T
F
S
30
81°
54°
31
77°
60°
1
76°
60°
2
75°
58°
3
82°
63°
4
85°
59°
5
82°
53°
6
76°
52°
7
76°
52°
8
74°
56°
9
79°
58°
10
75°
53°
11
73°
49°
12
72°
49°
13
73°
52°
14
72°
49°
15
71°
48°
16
70°
47°
17
69°
46°
18
68°
47°
19
69°
46°
20
68°
47°
21
69°
47°
22
70°
51°
23
72°
54°
24
74°
54°
25
75°
53°
26
75°
46°
27
74°
46°
28
66°
53°
29
66°
51°
30
73°
51°
1
71°
52°
2
67°
46°
3
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pleasant Prairie
Pleasant Prairie's September 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 46° and 63°. The average high for September is 73° with an average low of 52°. 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 Pleasant Prairie. See also: October | November | December.
