S
M
T
W
T
F
S
30
70°
49°
31
69°
55°
1
70°
51°
2
67°
51°
3
69°
50°
4
74°
55°
5
67°
48°
6
68°
48°
7
68°
49°
8
69°
48°
9
68°
50°
10
68°
49°
11
69°
52°
12
72°
52°
13
74°
51°
14
75°
50°
15
74°
56°
16
75°
58°
17
75°
54°
18
74°
49°
19
70°
46°
20
73°
55°
21
71°
46°
22
66°
50°
23
67°
53°
24
63°
54°
25
62°
50°
26
62°
50°
27
61°
46°
28
61°
47°
29
62°
52°
30
61°
55°
1
62°
52°
2
63°
45°
3
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Anacortes
Anacortes's September 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 44° and 58°. The average high for September is 68° with an average low of 51°. 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 Anacortes. See also: October | November | December.
