S
M
T
W
T
F
S
30
87°
68°
31
86°
65°
1
83°
62°
2
87°
66°
3
87°
71°
4
90°
72°
5
81°
68°
6
73°
68°
7
80°
67°
8
84°
67°
9
79°
59°
10
82°
61°
11
84°
59°
12
74°
54°
13
63°
56°
14
73°
58°
15
71°
48°
16
71°
51°
17
70°
51°
18
71°
50°
19
71°
50°
20
68°
49°
21
68°
53°
22
67°
52°
23
71°
47°
24
76°
53°
25
76°
54°
26
76°
53°
27
75°
54°
28
74°
54°
29
70°
52°
30
72°
50°
1
64°
49°
2
69°
49°
3
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Mankato
North Mankato's September 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 47° and 61°. The average high for September is 72° with an average low of 52°. 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 North Mankato. See also: October | November | December.
