S
M
T
W
T
F
S
31
78°
47°
1
78°
54°
2
73°
54°
3
64°
42°
4
63°
40°
5
59°
45°
6
60°
41°
7
64°
36°
8
77°
41°
9
68°
60°
10
75°
53°
11
79°
51°
12
82°
62°
13
83°
64°
14
89°
67°
15
84°
72°
16
90°
66°
17
81°
62°
18
83°
62°
19
76°
63°
20
73°
57°
21
78°
61°
22
73°
55°
23
72°
55°
24
75°
52°
25
80°
49°
26
81°
50°
27
74°
45°
28
80°
41°
29
88°
49°
30
82°
62°
1
81°
64°
2
86°
64°
3
89°
60°
4
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cannon Falls
Cannon Falls'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 Cannon Falls. See also: October | November | December.
