S
M
T
W
T
F
S
30
66°
52°
31
63°
50°
1
75°
52°
2
73°
51°
3
68°
48°
4
65°
41°
5
69°
44°
6
71°
44°
7
74°
50°
8
69°
48°
9
68°
44°
10
63°
41°
11
64°
42°
12
62°
43°
13
63°
42°
14
64°
41°
15
66°
45°
16
65°
47°
17
59°
45°
18
56°
45°
19
55°
44°
20
56°
42°
21
54°
37°
22
54°
41°
23
53°
35°
24
52°
34°
25
53°
40°
26
61°
44°
27
62°
42°
28
61°
43°
29
53°
42°
30
61°
41°
1
61°
42°
2
60°
42°
3
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McGregor
McGregor's September 2026 forecast shows daily high temperatures ranging from 52° to 75°, with overnight lows between 34° and 52°. The average high for September is 62° with an average low of 43°. 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 McGregor. See also: October | November | December.
