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°
38°
25
73°
46°
26
72°
51°
27
68°
50°
28
62°
48°
29
66°
50°
30
71°
57°
1
69°
52°
2
68°
50°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Carleton
West Carleton's September 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 38° and 57°. The average high for September is 68° with an average low of 49°. 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 West Carleton. See also: October | November | December.