S
M
T
W
T
F
S
30
92°
68°
31
93°
69°
1
97°
70°
2
98°
68°
3
98°
65°
4
97°
68°
5
96°
68°
6
93°
67°
7
97°
68°
8
96°
62°
9
89°
64°
10
88°
65°
11
92°
66°
12
88°
65°
13
88°
63°
14
87°
60°
15
85°
59°
16
89°
60°
17
87°
60°
18
Hist. Avg.
92°
58°
19
Hist. Avg.
92°
58°
20
Hist. Avg.
91°
57°
21
Hist. Avg.
91°
57°
22
Hist. Avg.
91°
57°
23
Hist. Avg.
90°
57°
24
Hist. Avg.
90°
56°
25
Hist. Avg.
89°
56°
26
Hist. Avg.
89°
56°
27
Hist. Avg.
89°
56°
28
Hist. Avg.
88°
56°
29
Hist. Avg.
88°
55°
30
Hist. Avg.
87°
55°
1
Hist. Avg.
87°
55°
2
Hist. Avg.
86°
54°
3
Hist. Avg.
86°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Minnesota
Minnesota's September 2026 forecast shows daily high temperatures ranging from 85° to 98°, with overnight lows between 59° and 70°. The average high for September is 92° with an average low of 65°. 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 Minnesota. See also: October | November | December.
