S
M
T
W
T
F
S
30
70°
62°
31
79°
65°
1
87°
69°
2
84°
67°
3
85°
64°
4
77°
62°
5
81°
56°
6
76°
51°
7
76°
52°
8
78°
63°
9
77°
65°
10
73°
48°
11
73°
55°
12
76°
58°
13
78°
58°
14
71°
55°
15
69°
54°
16
69°
53°
17
68°
53°
18
68°
49°
19
67°
48°
20
73°
54°
21
65°
53°
22
62°
52°
23
65°
52°
24
67°
53°
25
71°
52°
26
71°
51°
27
64°
51°
28
69°
52°
29
71°
53°
30
71°
53°
1
70°
52°
2
68°
49°
3
67°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brantford
Brantford's September 2026 forecast shows daily high temperatures ranging from 62° to 78°, with overnight lows between 44° and 65°. The average high for September is 70° with an average low of 53°. 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 Brantford. See also: October | November | December.
