S
M
T
W
T
F
S
30
91°
62°
31
96°
66°
1
87°
68°
2
87°
54°
3
88°
53°
4
88°
60°
5
N/A
6
83°
48°
7
84°
51°
8
88°
58°
9
92°
67°
10
90°
62°
11
79°
59°
12
77°
56°
13
74°
52°
14
71°
50°
15
71°
49°
16
74°
50°
17
78°
52°
18
79°
57°
19
80°
58°
20
78°
57°
21
77°
56°
22
77°
56°
23
74°
53°
24
77°
56°
25
77°
56°
26
76°
55°
27
77°
52°
28
69°
48°
29
68°
45°
30
67°
48°
1
72°
49°
2
68°
47°
3
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Deta
Deta's September 2026 forecast shows daily high temperatures ranging from 67° to 92°, with overnight lows between 45° and 67°. The average high for September is 77° with an average low of 53°. 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 Deta. See also: October | November | December.
