S
M
T
W
T
F
S
30
63°
58°
31
70°
60°
1
66°
60°
2
65°
56°
3
62°
56°
4
62°
57°
5
70°
58°
6
68°
59°
7
66°
60°
8
66°
60°
9
65°
60°
10
65°
59°
11
N/A
12
73°
52°
13
70°
54°
14
67°
51°
15
69°
52°
16
74°
53°
17
73°
53°
18
75°
56°
19
73°
54°
20
69°
53°
21
68°
52°
22
69°
50°
23
68°
50°
24
69°
51°
25
65°
46°
26
61°
46°
27
60°
44°
28
64°
46°
29
58°
46°
30
59°
43°
1
58°
44°
2
58°
42°
3
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Powell River
Powell River's September 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 42° and 56°. The average high for September is 66° with an average low of 49°. 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 Powell River. See also: October | November | December.
