S
M
T
W
T
F
S
30
72°
55°
31
73°
56°
1
74°
55°
2
74°
54°
3
73°
51°
4
73°
54°
5
72°
54°
6
72°
53°
7
73°
52°
8
71°
52°
9
69°
51°
10
69°
51°
11
71°
52°
12
68°
50°
13
65°
48°
14
65°
44°
15
66°
45°
16
66°
50°
17
64°
46°
18
63°
51°
19
64°
48°
20
65°
50°
21
68°
49°
22
68°
46°
23
65°
50°
24
61°
50°
25
Hist. Avg.
62°
47°
26
Hist. Avg.
61°
47°
27
Hist. Avg.
61°
47°
28
Hist. Avg.
61°
46°
29
Hist. Avg.
61°
46°
30
Hist. Avg.
60°
46°
1
Hist. Avg.
60°
46°
2
Hist. Avg.
60°
46°
3
Hist. Avg.
59°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Port Renfrew
Port Renfrew's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 44° and 56°. The average high for September is 69° 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 Port Renfrew. See also: October | November | December.