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
68°
57°
13
64°
64°
14
72°
64°
15
66°
54°
16
64°
54°
17
64°
54°
18
64°
52°
19
66°
61°
20
66°
54°
21
70°
52°
22
70°
57°
23
70°
54°
24
70°
52°
25
66°
52°
26
66°
50°
27
66°
54°
28
64°
50°
29
70°
52°
30
70°
59°
1
64°
55°
2
70°
59°
3
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roath
Roath's September 2026 forecast shows daily high temperatures ranging from 68° to 68°, with overnight lows between 45° and 45°. The average high for September is 68° with an average low of 45°. 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 Roath. See also: October | November | December.
