S
M
T
W
T
F
S
30
65°
53°
31
66°
50°
1
65°
52°
2
65°
53°
3
66°
49°
4
66°
49°
5
64°
50°
6
65°
49°
7
67°
50°
8
68°
54°
9
68°
52°
10
63°
54°
11
66°
54°
12
64°
53°
13
68°
53°
14
67°
52°
15
67°
51°
16
66°
49°
17
62°
52°
18
62°
50°
19
65°
46°
20
61°
46°
21
62°
45°
22
61°
47°
23
62°
48°
24
61°
50°
25
60°
52°
26
60°
51°
27
64°
50°
28
63°
48°
29
59°
47°
30
59°
45°
1
60°
45°
2
58°
44°
3
58°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Swinton
Swinton's September 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 44° and 54°. The average high for September is 64° 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 Swinton. See also: October | November | December.