S
M
T
W
T
F
S
30
57°
42°
31
52°
39°
1
N/A
2
62°
40°
3
62°
45°
4
63°
52°
5
61°
46°
6
64°
51°
7
63°
48°
8
58°
47°
9
57°
44°
10
58°
43°
11
57°
44°
12
56°
45°
13
56°
44°
14
58°
43°
15
56°
39°
16
54°
37°
17
50°
40°
18
50°
43°
19
50°
42°
20
51°
41°
21
49°
36°
22
48°
33°
23
48°
32°
24
49°
33°
25
48°
35°
26
47°
41°
27
47°
40°
28
52°
40°
29
50°
37°
30
50°
39°
1
49°
40°
2
49°
37°
3
50°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cottonwood
Cottonwood's September 2026 forecast shows daily high temperatures ranging from 47° to 64°, with overnight lows between 32° and 52°. The average high for September is 54° with an average low of 41°. 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 Cottonwood. See also: October | November | December.
