S
M
T
W
T
F
S
30
83°
64°
31
82°
65°
1
82°
64°
2
81°
65°
3
81°
65°
4
80°
64°
5
81°
64°
6
80°
63°
7
80°
64°
8
79°
63°
9
80°
63°
10
79°
62°
11
80°
63°
12
81°
63°
13
81°
62°
14
80°
62°
15
79°
63°
16
79°
62°
17
78°
62°
18
77°
60°
19
76°
52°
20
72°
57°
21
71°
60°
22
73°
52°
23
71°
52°
24
69°
53°
25
71°
57°
26
75°
56°
27
70°
53°
28
69°
51°
29
68°
51°
30
68°
52°
1
69°
57°
2
71°
53°
3
71°
47°
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 68° to 83°, with overnight lows between 47° and 65°. The average high for September is 76° with an average low of 59°. 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.
