S
M
T
W
T
F
S
30
69°
31°
31
71°
35°
1
71°
34°
2
69°
51°
3
71°
50°
4
64°
41°
5
N/A
6
66°
38°
7
63°
37°
8
64°
38°
9
60°
32°
10
64°
33°
11
68°
34°
12
67°
39°
13
67°
44°
14
68°
43°
15
69°
42°
16
66°
42°
17
62°
39°
18
63°
39°
19
61°
41°
20
58°
36°
21
63°
42°
22
58°
40°
23
57°
36°
24
58°
35°
25
63°
43°
26
66°
44°
27
65°
40°
28
63°
42°
29
65°
42°
30
66°
45°
1
68°
43°
2
68°
45°
3
69°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Macgregor
Macgregor's September 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 32° and 45°. The average high for September is 64° with an average low of 40°. 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 Macgregor. See also: October | November | December.