S
M
T
W
T
F
S
30
83°
64°
31
86°
66°
1
95°
67°
2
85°
65°
3
82°
66°
4
82°
66°
5
83°
63°
6
80°
59°
7
76°
60°
8
72°
56°
9
76°
54°
10
75°
55°
11
72°
48°
12
69°
50°
13
69°
53°
14
76°
56°
15
76°
56°
16
76°
55°
17
74°
55°
18
74°
56°
19
75°
55°
20
75°
54°
21
74°
56°
22
76°
55°
23
75°
55°
24
74°
54°
25
74°
53°
26
73°
54°
27
74°
53°
28
74°
52°
29
73°
52°
30
71°
52°
1
72°
51°
2
72°
51°
3
71°
50°
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 69° to 95°, with overnight lows between 48° and 67°. The average high for September is 76° with an average low of 56°. 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.
