S
M
T
W
T
F
S
30
85°
62°
31
84°
68°
1
88°
73°
2
92°
71°
3
89°
68°
4
81°
67°
5
79°
65°
6
79°
59°
7
79°
58°
8
83°
59°
9
86°
69°
10
80°
69°
11
81°
64°
12
84°
63°
13
83°
68°
14
71°
55°
15
81°
52°
16
86°
63°
17
83°
71°
18
77°
63°
19
71°
61°
20
73°
64°
21
64°
55°
22
61°
56°
23
68°
56°
24
67°
49°
25
70°
42°
26
72°
48°
27
72°
54°
28
64°
58°
29
70°
57°
30
74°
52°
1
83°
63°
2
75°
48°
3
69°
52°
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 69° to 75°, with overnight lows between 48° and 52°. The average high for September is 72° with an average low of 50°. 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.
