S
M
T
W
T
F
S
30
86°
64°
31
86°
65°
1
91°
68°
2
90°
67°
3
86°
68°
4
87°
68°
5
89°
68°
6
86°
67°
7
90°
68°
8
89°
68°
9
89°
67°
10
88°
68°
11
90°
68°
12
89°
65°
13
89°
60°
14
82°
60°
15
81°
59°
16
81°
59°
17
82°
61°
18
85°
65°
19
87°
65°
20
80°
63°
21
86°
64°
22
87°
63°
23
86°
58°
24
80°
57°
25
79°
55°
26
79°
56°
27
83°
55°
28
Hist. Avg.
80°
56°
29
Hist. Avg.
80°
56°
30
Hist. Avg.
79°
56°
1
Hist. Avg.
79°
55°
2
Hist. Avg.
79°
55°
3
Hist. Avg.
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Seaton
Seaton's September 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 55° and 68°. The average high for September is 86° with an average low of 63°. 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 Seaton. See also: October | November | December.
