S
M
T
W
T
F
S
30
89°
74°
31
94°
75°
1
92°
76°
2
92°
76°
3
91°
76°
4
92°
78°
5
91°
78°
6
91°
76°
7
90°
77°
8
88°
77°
9
95°
76°
10
94°
74°
11
93°
75°
12
92°
76°
13
90°
76°
14
93°
76°
15
93°
78°
16
91°
77°
17
90°
76°
18
89°
74°
19
88°
74°
20
88°
73°
21
88°
72°
22
87°
74°
23
90°
76°
24
90°
76°
25
87°
72°
26
85°
70°
27
85°
68°
28
86°
68°
29
84°
73°
30
88°
74°
1
83°
75°
2
89°
77°
3
89°
75°
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 83° to 89°, with overnight lows between 75° and 77°. The average high for September is 87° with an average low of 76°. 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.
