S
M
T
W
T
F
S
30
80°
63°
31
81°
62°
1
82°
60°
2
75°
55°
3
74°
54°
4
74°
55°
5
76°
55°
6
80°
60°
7
82°
62°
8
82°
61°
9
81°
62°
10
82°
61°
11
80°
60°
12
82°
61°
13
82°
62°
14
80°
54°
15
70°
53°
16
70°
55°
17
73°
53°
18
68°
52°
19
69°
46°
20
69°
50°
21
77°
52°
22
77°
53°
23
76°
47°
24
71°
47°
25
69°
49°
26
72°
54°
27
74°
55°
28
75°
50°
29
66°
44°
30
65°
44°
1
65°
48°
2
72°
47°
3
74°
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 65° to 82°, with overnight lows between 44° and 63°. The average high for September is 75° 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.
