S
M
T
W
T
F
S
30
72°
49°
31
74°
51°
1
78°
52°
2
75°
51°
3
73°
50°
4
72°
43°
5
73°
47°
6
72°
44°
7
76°
49°
8
70°
42°
9
70°
43°
10
71°
42°
11
70°
46°
12
68°
46°
13
68°
41°
14
69°
41°
15
68°
42°
16
68°
41°
17
70°
46°
18
72°
47°
19
73°
47°
20
72°
46°
21
70°
44°
22
66°
40°
23
65°
40°
24
64°
39°
25
66°
38°
26
65°
37°
27
66°
43°
28
67°
45°
29
68°
41°
30
62°
39°
1
61°
40°
2
Hist. Avg.
61°
41°
3
Hist. Avg.
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Quadra Island
Quadra Island's September 2026 forecast shows daily high temperatures ranging from 61° to 78°, with overnight lows between 37° and 52°. The average high for September is 70° with an average low of 44°. 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 Quadra Island. See also: October | November | December.
