S
M
T
W
T
F
S
30
78°
43°
31
77°
62°
1
79°
60°
2
73°
56°
3
68°
55°
4
72°
47°
5
72°
47°
6
74°
49°
7
71°
46°
8
66°
50°
9
67°
45°
10
64°
46°
11
63°
32°
12
70°
50°
13
69°
49°
14
59°
47°
15
68°
48°
16
67°
45°
17
58°
42°
18
60°
46°
19
66°
48°
20
67°
48°
21
67°
47°
22
66°
46°
23
66°
45°
24
64°
45°
25
66°
47°
26
66°
45°
27
65°
46°
28
64°
43°
29
57°
41°
30
52°
40°
1
57°
43°
2
60°
43°
3
58°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Timmins
Timmins's September 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 32° and 62°. The average high for September is 66° with an average low of 47°. 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 Timmins. See also: October | November | December.