S
M
T
W
T
F
S
30
93°
76°
31
92°
75°
1
92°
76°
2
91°
76°
3
92°
75°
4
92°
76°
5
91°
76°
6
92°
75°
7
93°
74°
8
91°
75°
9
92°
75°
10
91°
76°
11
92°
77°
12
91°
76°
13
92°
76°
14
91°
76°
15
91°
76°
16
Hist. Avg.
90°
78°
17
Hist. Avg.
90°
78°
18
Hist. Avg.
90°
78°
19
Hist. Avg.
90°
78°
20
Hist. Avg.
90°
78°
21
Hist. Avg.
90°
78°
22
Hist. Avg.
89°
78°
23
Hist. Avg.
89°
78°
24
Hist. Avg.
89°
78°
25
Hist. Avg.
89°
78°
26
Hist. Avg.
89°
78°
27
Hist. Avg.
89°
78°
28
Hist. Avg.
89°
78°
29
Hist. Avg.
89°
78°
30
Hist. Avg.
89°
78°
1
Hist. Avg.
88°
78°
2
Hist. Avg.
88°
78°
3
Hist. Avg.
88°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cape Sable
Cape Sable's September 2026 forecast shows daily high temperatures ranging from 91° to 93°, with overnight lows between 74° and 77°. The average high for September is 92° with an average low of 76°. 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 Cape Sable. See also: October | November | December.
