S
M
T
W
T
F
S
30
75°
58°
31
78°
57°
1
75°
54°
2
69°
53°
3
69°
54°
4
70°
54°
5
74°
56°
6
77°
57°
7
77°
57°
8
76°
56°
9
76°
56°
10
75°
55°
11
75°
56°
12
74°
55°
13
74°
55°
14
70°
43°
15
64°
43°
16
66°
47°
17
67°
48°
18
65°
42°
19
66°
46°
20
66°
50°
21
72°
51°
22
72°
49°
23
71°
42°
24
65°
42°
25
67°
45°
26
70°
49°
27
70°
47°
28
67°
39°
29
63°
35°
30
58°
40°
1
58°
48°
2
66°
44°
3
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bradford West Gwillimbury
Bradford West Gwillimbury's September 2026 forecast shows daily high temperatures ranging from 58° to 78°, with overnight lows between 35° and 58°. The average high for September is 70° 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 Bradford West Gwillimbury. See also: October | November | December.
