S
M
T
W
T
F
S
30
71°
54°
31
71°
54°
1
70°
53°
2
68°
50°
3
64°
48°
4
65°
49°
5
66°
48°
6
68°
51°
7
69°
51°
8
69°
52°
9
70°
54°
10
69°
52°
11
68°
51°
12
66°
52°
13
67°
49°
14
64°
47°
15
63°
46°
16
62°
46°
17
63°
46°
18
62°
50°
19
63°
47°
20
61°
45°
21
61°
45°
22
62°
50°
23
63°
50°
24
65°
49°
25
65°
45°
26
62°
45°
27
61°
48°
28
60°
49°
29
61°
48°
30
59°
44°
1
59°
45°
2
60°
43°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Southam
Southam's September 2026 forecast shows daily high temperatures ranging from 58° to 71°, with overnight lows between 42° and 54°. The average high for September is 64° with an average low of 49°. 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 Southam. See also: October | November | December.
