S
M
T
W
T
F
S
30
87°
57°
31
79°
58°
1
79°
64°
2
82°
61°
3
83°
65°
4
85°
60°
5
85°
55°
6
77°
55°
7
78°
54°
8
77°
54°
9
77°
61°
10
79°
54°
11
78°
52°
12
75°
51°
13
76°
52°
14
75°
59°
15
76°
51°
16
75°
51°
17
73°
49°
18
72°
49°
19
72°
50°
20
73°
50°
21
72°
51°
22
72°
51°
23
76°
55°
24
77°
54°
25
78°
57°
26
78°
53°
27
77°
47°
28
70°
54°
29
69°
55°
30
77°
49°
1
73°
53°
2
74°
52°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Swanton
Swanton's September 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 46° and 65°. The average high for September is 76° with an average low of 54°. 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 Swanton. See also: October | November | December.
