S
M
T
W
T
F
S
30
69°
51°
31
75°
50°
1
65°
59°
2
62°
55°
3
62°
47°
4
63°
51°
5
71°
50°
6
68°
52°
7
64°
54°
8
67°
53°
9
71°
55°
10
69°
54°
11
69°
53°
12
66°
53°
13
67°
51°
14
66°
49°
15
63°
51°
16
61°
50°
17
61°
49°
18
62°
47°
19
61°
52°
20
61°
48°
21
60°
44°
22
61°
45°
23
60°
44°
24
60°
44°
25
61°
45°
26
61°
45°
27
64°
51°
28
60°
51°
29
61°
46°
30
65°
50°
1
61°
50°
2
60°
45°
3
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cannon Beach
Cannon Beach's September 2026 forecast shows daily high temperatures ranging from 60° to 71°, with overnight lows between 44° and 59°. The average high for September is 63° with an average low of 50°. 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 Cannon Beach. See also: October | November | December.
