S
M
T
W
T
F
S
30
75°
56°
31
76°
60°
1
78°
62°
2
74°
63°
3
82°
63°
4
83°
61°
5
79°
56°
6
77°
53°
7
74°
56°
8
80°
59°
9
79°
57°
10
78°
59°
11
75°
52°
12
73°
54°
13
75°
58°
14
79°
51°
15
71°
55°
16
70°
57°
17
69°
54°
18
70°
53°
19
74°
48°
20
70°
52°
21
72°
49°
22
73°
52°
23
73°
48°
24
75°
48°
25
74°
54°
26
75°
54°
27
73°
55°
28
74°
54°
29
74°
47°
30
66°
50°
1
72°
54°
2
73°
51°
3
71°
47°
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 66° to 83°, with overnight lows between 47° and 63°. The average high for September is 74° with an average low of 54°. 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.
