S
M
T
W
T
F
S
30
67°
47°
31
66°
46°
1
67°
45°
2
66°
43°
3
66°
48°
4
67°
44°
5
66°
43°
6
65°
42°
7
64°
50°
8
69°
44°
9
66°
43°
10
63°
42°
11
61°
39°
12
62°
45°
13
Hist. Avg.
63°
44°
14
Hist. Avg.
63°
43°
15
Hist. Avg.
63°
43°
16
Hist. Avg.
62°
43°
17
Hist. Avg.
62°
42°
18
Hist. Avg.
61°
42°
19
Hist. Avg.
61°
42°
20
Hist. Avg.
61°
41°
21
Hist. Avg.
60°
41°
22
Hist. Avg.
60°
41°
23
Hist. Avg.
59°
41°
24
Hist. Avg.
59°
40°
25
Hist. Avg.
59°
40°
26
Hist. Avg.
58°
40°
27
Hist. Avg.
58°
39°
28
Hist. Avg.
57°
39°
29
Hist. Avg.
57°
39°
30
Hist. Avg.
56°
38°
1
Hist. Avg.
56°
38°
2
Hist. Avg.
56°
38°
3
Hist. Avg.
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Carleton-sur-Mer
Carleton-sur-Mer's September 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 39° and 50°. The average high for September is 65° 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 Carleton-sur-Mer. See also: October | November | December.
