S
M
T
W
T
F
S
30
72°
55°
31
68°
55°
1
68°
55°
2
68°
61°
3
70°
64°
4
68°
57°
5
66°
52°
6
77°
57°
7
66°
59°
8
N/A
9
64°
46°
10
65°
54°
11
68°
49°
12
66°
59°
13
71°
53°
14
69°
58°
15
69°
50°
16
65°
50°
17
66°
53°
18
67°
54°
19
68°
54°
20
67°
53°
21
66°
52°
22
65°
52°
23
66°
51°
24
64°
50°
25
60°
50°
26
60°
51°
27
63°
51°
28
62°
46°
29
57°
45°
30
57°
45°
1
58°
50°
2
61°
50°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cwmbran
Cwmbran's September 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 45° and 59°. The average high for September is 64° with an average low of 51°. 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 Cwmbran. See also: October | November | December.
