S
M
T
W
T
F
S
30
79°
58°
31
80°
62°
1
84°
59°
2
83°
61°
3
82°
61°
4
81°
55°
5
78°
61°
6
82°
61°
7
79°
60°
8
82°
59°
9
79°
60°
10
77°
59°
11
82°
60°
12
83°
59°
13
81°
59°
14
82°
58°
15
82°
59°
16
81°
59°
17
81°
56°
18
80°
51°
19
74°
50°
20
74°
48°
21
72°
49°
22
73°
50°
23
75°
51°
24
78°
48°
25
75°
52°
26
77°
54°
27
76°
52°
28
76°
52°
29
75°
51°
30
76°
51°
1
74°
49°
2
75°
50°
3
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dema
Dema's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 48° and 62°. The average high for September is 78° with an average low of 55°. 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 Dema. See also: October | November | December.
