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
81°
66°
18
77°
58°
19
78°
66°
20
75°
63°
21
71°
63°
22
71°
60°
23
70°
55°
24
71°
54°
25
72°
53°
26
73°
54°
27
74°
55°
28
72°
54°
29
71°
49°
30
74°
54°
1
73°
55°
2
70°
55°
3
65°
55°
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 81°, with overnight lows between 49° and 66°. The average high for September is 73° with an average low of 57°. 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.
