S
M
T
W
T
F
S
30
83°
64°
31
86°
66°
1
94°
67°
2
90°
65°
3
82°
67°
4
85°
68°
5
83°
60°
6
80°
59°
7
79°
62°
8
82°
63°
9
82°
55°
10
75°
55°
11
79°
54°
12
77°
52°
13
80°
52°
14
79°
51°
15
80°
53°
16
71°
51°
17
74°
55°
18
70°
53°
19
72°
55°
20
74°
54°
21
72°
54°
22
73°
52°
23
70°
52°
24
72°
51°
25
70°
51°
26
69°
47°
27
61°
43°
28
59°
40°
29
60°
41°
30
60°
39°
1
59°
48°
2
59°
48°
3
61°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dakota
Dakota's September 2026 forecast shows daily high temperatures ranging from 59° to 85°, with overnight lows between 39° and 68°. The average high for September is 73° with an average low of 53°. 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 Dakota. See also: October | November | December.
