S
M
T
W
T
F
S
30
73°
52°
31
73°
54°
1
74°
58°
2
71°
58°
3
79°
57°
4
80°
58°
5
77°
53°
6
73°
49°
7
73°
54°
8
77°
52°
9
71°
49°
10
71°
53°
11
72°
48°
12
73°
48°
13
72°
55°
14
76°
48°
15
69°
48°
16
66°
52°
17
67°
49°
18
68°
52°
19
72°
44°
20
68°
48°
21
71°
47°
22
73°
45°
23
71°
44°
24
72°
44°
25
71°
48°
26
72°
51°
27
71°
51°
28
71°
50°
29
72°
44°
30
66°
47°
1
68°
50°
2
71°
48°
3
70°
44°
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 66° to 80°, with overnight lows between 44° and 58°. The average high for September is 72° with an average low of 50°. 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.
