S
M
T
W
T
F
S
30
72°
51°
31
70°
50°
1
67°
46°
2
64°
46°
3
63°
52°
4
66°
58°
5
64°
47°
6
63°
47°
7
74°
50°
8
64°
40°
9
63°
52°
10
68°
46°
11
61°
45°
12
62°
47°
13
65°
53°
14
64°
48°
15
62°
47°
16
61°
48°
17
63°
47°
18
64°
49°
19
67°
45°
20
64°
46°
21
57°
38°
22
56°
41°
23
61°
40°
24
60°
37°
25
59°
44°
26
63°
38°
27
54°
37°
28
62°
43°
29
63°
44°
30
64°
45°
1
65°
45°
2
65°
44°
3
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carleton-sur-Mer
Carleton-sur-Mer's September 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 37° and 53°. The average high for September is 63° with an average low of 45°. 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 Carleton-sur-Mer. See also: October | November | December.
