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
62°
51°
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°
51°
24
65°
47°
25
61°
50°
26
61°
46°
27
60°
44°
28
59°
46°
29
59°
44°
30
58°
47°
1
58°
49°
2
59°
46°
3
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Powell River
Powell River's September 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 41° and 56°. The average high for September is 66° 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 Powell River. See also: October | November | December.
