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
63°
55°
9
63°
52°
10
64°
50°
11
68°
55°
12
N/A
13
70°
61°
14
71°
58°
15
68°
50°
16
64°
52°
17
64°
49°
18
64°
56°
19
64°
51°
20
65°
55°
21
66°
54°
22
63°
50°
23
63°
50°
24
62°
51°
25
60°
50°
26
63°
51°
27
62°
50°
28
63°
51°
29
62°
50°
30
61°
50°
1
61°
47°
2
62°
48°
3
62°
50°
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 60° to 71°, with overnight lows between 47° and 61°. The average high for September is 64° with an average low of 52°. 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.
