S
M
T
W
T
F
S
30
81°
58°
31
82°
59°
1
83°
56°
2
81°
50°
3
73°
57°
4
75°
58°
5
75°
53°
6
82°
47°
7
74°
46°
8
72°
48°
9
71°
54°
10
72°
56°
11
73°
55°
12
77°
52°
13
80°
45°
14
71°
44°
15
68°
43°
16
68°
45°
17
67°
45°
18
69°
42°
19
75°
40°
20
67°
43°
21
67°
51°
22
71°
46°
23
77°
50°
24
75°
51°
25
75°
51°
26
74°
50°
27
75°
48°
28
74°
43°
29
70°
45°
30
61°
45°
1
70°
44°
2
72°
48°
3
72°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sleepy Eye
Sleepy Eye's September 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 40° and 59°. The average high for September is 73° 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 Sleepy Eye. See also: October | November | December.
