S
M
T
W
T
F
S
30
81°
62°
31
76°
62°
1
81°
60°
2
74°
52°
3
72°
60°
4
82°
62°
5
82°
62°
6
81°
61°
7
81°
61°
8
80°
60°
9
79°
60°
10
76°
59°
11
71°
55°
12
71°
52°
13
72°
53°
14
79°
50°
15
74°
45°
16
68°
44°
17
67°
45°
18
66°
42°
19
66°
44°
20
67°
51°
21
66°
47°
22
70°
52°
23
75°
53°
24
76°
50°
25
76°
48°
26
75°
51°
27
76°
43°
28
65°
50°
29
71°
43°
30
67°
50°
1
74°
37°
2
69°
36°
3
57°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Waseca
Waseca's September 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 36° and 62°. The average high for September is 73° with an average low of 51°. 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 Waseca. See also: October | November | December.
