S
M
T
W
T
F
S
30
83°
57°
31
81°
62°
1
83°
63°
2
81°
60°
3
80°
57°
4
80°
64°
5
82°
63°
6
85°
62°
7
85°
62°
8
84°
61°
9
84°
60°
10
83°
61°
11
83°
61°
12
85°
61°
13
86°
59°
14
77°
51°
15
74°
51°
16
Hist. Avg.
79°
55°
17
Hist. Avg.
79°
54°
18
Hist. Avg.
79°
54°
19
Hist. Avg.
78°
53°
20
Hist. Avg.
78°
53°
21
Hist. Avg.
78°
53°
22
Hist. Avg.
77°
52°
23
Hist. Avg.
77°
52°
24
Hist. Avg.
77°
51°
25
Hist. Avg.
76°
51°
26
Hist. Avg.
76°
51°
27
Hist. Avg.
76°
50°
28
Hist. Avg.
75°
50°
29
Hist. Avg.
75°
49°
30
Hist. Avg.
74°
49°
1
Hist. Avg.
74°
49°
2
Hist. Avg.
74°
48°
3
Hist. Avg.
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Dow
Dow's September 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 51° and 64°. The average high for September is 82° with an average low of 60°. 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 Dow. See also: October | November | December.