S
M
T
W
T
F
S
30
70°
57°
31
69°
57°
1
65°
56°
2
64°
54°
3
64°
53°
4
65°
54°
5
65°
52°
6
67°
56°
7
67°
51°
8
68°
53°
9
69°
57°
10
68°
56°
11
64°
56°
12
63°
55°
13
64°
55°
14
64°
50°
15
62°
50°
16
62°
51°
17
63°
50°
18
63°
54°
19
64°
52°
20
62°
50°
21
61°
51°
22
61°
55°
23
65°
54°
24
66°
53°
25
65°
49°
26
62°
49°
27
61°
52°
28
60°
53°
29
61°
52°
30
60°
48°
1
60°
50°
2
59°
48°
3
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kidwelly
Kidwelly's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 48° and 57°. The average high for September is 64° with an average low of 53°. 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 Kidwelly. See also: October | November | December.
