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