S
M
T
W
T
F
S
30
94°
61°
31
97°
62°
1
91°
64°
2
96°
60°
3
94°
59°
4
100°
65°
5
96°
62°
6
94°
64°
7
103°
70°
8
88°
64°
9
87°
58°
10
92°
61°
11
97°
60°
12
72°
53°
13
85°
57°
14
98°
66°
15
71°
56°
16
80°
63°
17
91°
66°
18
90°
59°
19
78°
57°
20
74°
55°
21
76°
54°
22
77°
56°
23
78°
53°
24
79°
54°
25
80°
55°
26
84°
55°
27
83°
54°
28
81°
52°
29
76°
45°
30
71°
51°
1
80°
52°
2
71°
52°
3
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McDonald
McDonald's September 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 45° and 66°. The average high for September is 79° 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 McDonald. See also: October | November | December.
