S
M
T
W
T
F
S
30
77°
53°
31
77°
46°
1
76°
43°
2
68°
42°
3
64°
43°
4
64°
43°
5
65°
41°
6
65°
48°
7
73°
53°
8
75°
47°
9
72°
43°
10
67°
45°
11
67°
46°
12
68°
42°
13
66°
42°
14
62°
40°
15
63°
46°
16
67°
49°
17
70°
40°
18
62°
46°
19
65°
41°
20
68°
36°
21
60°
41°
22
59°
50°
23
68°
47°
24
69°
43°
25
67°
46°
26
59°
49°
27
67°
46°
28
67°
45°
29
64°
47°
30
64°
45°
1
67°
36°
2
66°
34°
3
53°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arrowhead Township
Arrowhead Township's September 2026 forecast shows daily high temperatures ranging from 53° to 77°, with overnight lows between 34° and 53°. The average high for September is 67° with an average low of 44°. 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 Arrowhead Township. See also: October | November | December.
