S
M
T
W
T
F
S
30
81°
58°
31
81°
63°
1
80°
63°
2
79°
57°
3
79°
53°
4
73°
53°
5
72°
57°
6
73°
62°
7
79°
61°
8
79°
55°
9
73°
54°
10
72°
61°
11
73°
60°
12
79°
61°
13
79°
61°
14
78°
60°
15
78°
55°
16
76°
58°
17
70°
51°
18
73°
50°
19
68°
48°
20
67°
47°
21
65°
47°
22
66°
55°
23
67°
49°
24
68°
47°
25
66°
55°
26
69°
54°
27
68°
55°
28
73°
53°
29
72°
49°
30
71°
47°
1
65°
53°
2
70°
52°
3
63°
45°
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 63° to 81°, with overnight lows between 45° and 63°. The average high for September is 73° with an average low of 55°. 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.
