S
M
T
W
T
F
S
30
70°
63°
31
68°
63°
1
68°
63°
2
70°
64°
3
70°
66°
4
70°
64°
5
68°
54°
6
75°
50°
7
70°
63°
8
66°
61°
9
66°
54°
10
66°
60°
11
70°
56°
12
71°
61°
13
72°
58°
14
72°
61°
15
72°
55°
16
66°
53°
17
68°
57°
18
68°
57°
19
67°
56°
20
68°
56°
21
67°
57°
22
68°
56°
23
69°
56°
24
68°
55°
25
67°
53°
26
66°
52°
27
67°
55°
28
65°
50°
29
61°
48°
30
60°
48°
1
60°
52°
2
65°
54°
3
64°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Deal
Deal's September 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 48° and 61°. The average high for September is 67° 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 Deal. See also: October | November | December.
