S
M
T
W
T
F
S
30
78°
49°
31
79°
50°
1
78°
51°
2
79°
50°
3
78°
48°
4
71°
47°
5
73°
46°
6
72°
48°
7
74°
43°
8
68°
42°
9
68°
47°
10
69°
43°
11
67°
37°
12
65°
44°
13
67°
37°
14
65°
41°
15
66°
40°
16
67°
36°
17
63°
38°
18
64°
41°
19
67°
37°
20
65°
38°
21
67°
37°
22
70°
40°
23
Hist. Avg.
68°
36°
24
Hist. Avg.
68°
36°
25
Hist. Avg.
67°
36°
26
Hist. Avg.
67°
36°
27
Hist. Avg.
66°
35°
28
Hist. Avg.
66°
35°
29
Hist. Avg.
66°
35°
30
Hist. Avg.
65°
34°
1
Hist. Avg.
65°
34°
2
Hist. Avg.
64°
34°
3
Hist. Avg.
64°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in McKinnon
McKinnon's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 36° and 51°. The average high for September is 70° with an average low of 43°. 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 McKinnon. See also: October | November | December.
