S
M
T
W
T
F
S
30
80°
61°
31
76°
55°
1
73°
54°
2
78°
48°
3
64°
54°
4
78°
50°
5
81°
58°
6
82°
60°
7
69°
61°
8
68°
57°
9
71°
49°
10
79°
47°
11
70°
51°
12
59°
46°
13
63°
33°
14
59°
39°
15
61°
36°
16
62°
33°
17
66°
36°
18
67°
44°
19
68°
54°
20
67°
39°
21
68°
41°
22
67°
48°
23
62°
53°
24
71°
54°
25
70°
57°
26
65°
45°
27
66°
43°
28
63°
46°
29
64°
42°
30
65°
43°
1
63°
46°
2
57°
34°
3
62°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pilot Mound
Pilot Mound's September 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 34° and 57°. The average high for September is 65° with an average low of 45°. 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 Pilot Mound. See also: October | November | December.