S
M
T
W
T
F
S
30
87°
68°
31
89°
67°
1
90°
69°
2
90°
70°
3
92°
70°
4
92°
69°
5
86°
69°
6
85°
64°
7
87°
64°
8
87°
66°
9
90°
67°
10
91°
68°
11
91°
68°
12
90°
67°
13
90°
67°
14
89°
65°
15
90°
66°
16
83°
62°
17
Hist. Avg.
86°
63°
18
Hist. Avg.
86°
63°
19
Hist. Avg.
86°
62°
20
Hist. Avg.
85°
62°
21
Hist. Avg.
85°
62°
22
Hist. Avg.
85°
61°
23
Hist. Avg.
84°
61°
24
Hist. Avg.
84°
61°
25
Hist. Avg.
84°
60°
26
Hist. Avg.
84°
60°
27
Hist. Avg.
83°
60°
28
Hist. Avg.
83°
59°
29
Hist. Avg.
82°
59°
30
Hist. Avg.
82°
58°
1
Hist. Avg.
82°
58°
2
Hist. Avg.
81°
58°
3
Hist. Avg.
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Swancott
Swancott's September 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 62° and 70°. The average high for September is 89° with an average low of 67°. 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 Swancott. See also: October | November | December.