S
M
T
W
T
F
S
30
72°
50°
31
70°
48°
1
70°
48°
2
69°
56°
3
72°
51°
4
72°
46°
5
67°
48°
6
70°
56°
7
72°
57°
8
78°
56°
9
78°
54°
10
75°
52°
11
68°
54°
12
72°
53°
13
Hist. Avg.
69°
49°
14
Hist. Avg.
69°
49°
15
Hist. Avg.
69°
49°
16
Hist. Avg.
68°
48°
17
Hist. Avg.
68°
48°
18
Hist. Avg.
68°
48°
19
Hist. Avg.
67°
48°
20
Hist. Avg.
67°
47°
21
Hist. Avg.
67°
47°
22
Hist. Avg.
66°
47°
23
Hist. Avg.
66°
46°
24
Hist. Avg.
66°
46°
25
Hist. Avg.
65°
46°
26
Hist. Avg.
65°
45°
27
Hist. Avg.
65°
45°
28
Hist. Avg.
64°
45°
29
Hist. Avg.
64°
44°
30
Hist. Avg.
64°
44°
1
Hist. Avg.
63°
44°
2
Hist. Avg.
63°
43°
3
Hist. Avg.
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Collingwood
Collingwood's September 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 46° and 57°. The average high for September is 72° with an average low of 52°. 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 Collingwood. See also: October | November | December.
