S
M
T
W
T
F
S
30
76°
55°
31
77°
57°
1
76°
56°
2
77°
54°
3
76°
51°
4
76°
54°
5
75°
54°
6
75°
51°
7
74°
50°
8
73°
50°
9
71°
51°
10
70°
50°
11
73°
52°
12
69°
47°
13
67°
46°
14
66°
44°
15
67°
45°
16
68°
48°
17
67°
45°
18
65°
51°
19
66°
46°
20
65°
48°
21
68°
47°
22
69°
45°
23
67°
46°
24
Hist. Avg.
67°
44°
25
Hist. Avg.
67°
44°
26
Hist. Avg.
66°
44°
27
Hist. Avg.
66°
44°
28
Hist. Avg.
66°
43°
29
Hist. Avg.
65°
43°
30
Hist. Avg.
65°
43°
1
Hist. Avg.
65°
43°
2
Hist. Avg.
64°
43°
3
Hist. Avg.
64°
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 65° to 77°, with overnight lows between 44° and 57°. The average high for September is 71° 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.
