S
M
T
W
T
F
S
30
70°
57°
31
67°
55°
1
74°
56°
2
70°
59°
3
72°
57°
4
72°
57°
5
72°
57°
6
73°
57°
7
N/A
8
76°
61°
9
76°
57°
10
75°
57°
11
75°
59°
12
79°
59°
13
82°
58°
14
82°
53°
15
80°
55°
16
79°
56°
17
79°
55°
18
79°
56°
19
80°
55°
20
77°
52°
21
78°
53°
22
79°
53°
23
79°
51°
24
78°
52°
25
79°
52°
26
79°
51°
27
78°
52°
28
79°
52°
29
79°
51°
30
78°
53°
1
79°
52°
2
79°
51°
3
78°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Dejen
Dejen's September 2026 forecast shows daily high temperatures ranging from 75° to 82°, with overnight lows between 51° and 61°. The average high for September is 79° with an average low of 54°. 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 Dejen. See also: October | November | December.