S
M
T
W
T
F
S
30
72°
49°
31
73°
55°
1
77°
56°
2
79°
57°
3
77°
50°
4
75°
47°
5
71°
47°
6
68°
45°
7
70°
53°
8
75°
52°
9
77°
54°
10
78°
50°
11
72°
47°
12
69°
52°
13
69°
46°
14
70°
48°
15
66°
50°
16
67°
48°
17
69°
50°
18
74°
43°
19
66°
45°
20
69°
41°
21
69°
41°
22
65°
46°
23
67°
49°
24
73°
50°
25
72°
48°
26
70°
50°
27
71°
48°
28
73°
45°
29
70°
45°
30
67°
48°
1
70°
42°
2
71°
38°
3
66°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stanwood
Stanwood's September 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 36° and 57°. The average high for September is 71° with an average low of 48°. 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 Stanwood. See also: October | November | December.
