S
M
T
W
T
F
S
31
73°
48°
1
73°
51°
2
74°
47°
3
67°
49°
4
59°
47°
5
62°
50°
6
56°
48°
7
59°
48°
8
62°
40°
9
66°
56°
10
72°
52°
11
64°
42°
12
68°
39°
13
74°
56°
14
74°
52°
15
73°
50°
16
78°
46°
17
75°
48°
18
73°
57°
19
64°
46°
20
67°
45°
21
64°
51°
22
71°
61°
23
67°
60°
24
69°
58°
25
71°
58°
26
61°
42°
27
68°
41°
28
71°
46°
29
72°
46°
30
64°
42°
1
65°
42°
2
66°
44°
3
76°
45°
4
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blind River
Blind River's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Blind River. See also: October | November | December.