S
M
T
W
T
F
S
30
68°
50°
31
71°
53°
1
75°
53°
2
76°
52°
3
74°
52°
4
69°
43°
5
70°
47°
6
69°
45°
7
74°
49°
8
69°
46°
9
68°
44°
10
69°
44°
11
69°
49°
12
67°
52°
13
67°
44°
14
66°
44°
15
66°
43°
16
67°
43°
17
67°
45°
18
71°
45°
19
73°
48°
20
73°
47°
21
70°
44°
22
67°
43°
23
64°
43°
24
65°
42°
25
63°
39°
26
65°
40°
27
64°
43°
28
65°
48°
29
69°
46°
30
60°
41°
1
69°
49°
2
68°
46°
3
Hist. Avg.
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Salt Spring Island
Salt Spring Island's September 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 39° and 53°. The average high for September is 68° 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 Salt Spring Island. See also: October | November | December.
