S
M
T
W
T
F
S
30
62°
48°
31
63°
50°
1
61°
45°
2
61°
46°
3
62°
50°
4
63°
45°
5
61°
45°
6
61°
44°
7
60°
44°
8
61°
45°
9
61°
44°
10
63°
46°
11
65°
44°
12
66°
49°
13
65°
48°
14
66°
49°
15
65°
48°
16
66°
50°
17
66°
49°
18
65°
44°
19
65°
44°
20
64°
47°
21
61°
43°
22
58°
46°
23
58°
47°
24
57°
47°
25
57°
45°
26
56°
44°
27
56°
41°
28
55°
45°
29
56°
46°
30
55°
46°
1
56°
41°
2
55°
40°
3
56°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Rupert
Fort Rupert's September 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 39° and 50°. The average high for September is 61° with an average low of 46°. 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 Fort Rupert. See also: October | November | December.
