S
M
T
W
T
F
S
30
82°
56°
31
78°
57°
1
77°
60°
2
76°
59°
3
80°
52°
4
76°
57°
5
76°
60°
6
83°
59°
7
84°
60°
8
83°
59°
9
83°
58°
10
80°
57°
11
77°
57°
12
74°
59°
13
83°
56°
14
82°
56°
15
Hist. Avg.
77°
53°
16
Hist. Avg.
77°
53°
17
Hist. Avg.
76°
52°
18
Hist. Avg.
76°
52°
19
Hist. Avg.
75°
51°
20
Hist. Avg.
75°
51°
21
Hist. Avg.
74°
50°
22
Hist. Avg.
74°
50°
23
Hist. Avg.
74°
49°
24
Hist. Avg.
73°
49°
25
Hist. Avg.
73°
48°
26
Hist. Avg.
72°
48°
27
Hist. Avg.
72°
47°
28
Hist. Avg.
71°
47°
29
Hist. Avg.
71°
46°
30
Hist. Avg.
70°
46°
1
Hist. Avg.
70°
45°
2
Hist. Avg.
69°
45°
3
Hist. Avg.
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in DeMotte
DeMotte's September 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 52° and 60°. The average high for September is 80° with an average low of 58°. 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 DeMotte. See also: October | November | December.
