S
M
T
W
T
F
S
30
73°
56°
31
75°
54°
1
77°
61°
2
75°
60°
3
80°
62°
4
76°
58°
5
72°
57°
6
74°
55°
7
77°
57°
8
74°
58°
9
70°
59°
10
74°
49°
11
67°
45°
12
78°
46°
13
79°
56°
14
65°
44°
15
64°
42°
16
76°
55°
17
72°
54°
18
66°
46°
19
63°
42°
20
68°
43°
21
59°
43°
22
63°
42°
23
68°
41°
24
69°
37°
25
72°
44°
26
71°
50°
27
69°
50°
28
62°
49°
29
66°
49°
30
70°
51°
1
68°
52°
2
67°
48°
3
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carleton Place
Carleton Place's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 37° and 52°. The average high for September is 68° with an average low of 48°. 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 Place. See also: October | November | December.
