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
67°
54°
8
64°
48°
9
66°
49°
10
64°
54°
11
68°
46°
12
66°
60°
13
67°
58°
14
68°
57°
15
67°
54°
16
64°
53°
17
64°
56°
18
65°
57°
19
66°
55°
20
64°
54°
21
65°
54°
22
66°
54°
23
65°
54°
24
65°
52°
25
62°
49°
26
61°
48°
27
62°
47°
28
62°
48°
29
61°
51°
30
62°
51°
1
61°
47°
2
62°
50°
3
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pentyrch
Pentyrch's September 2026 forecast shows daily high temperatures ranging from 61° to 68°, with overnight lows between 46° and 60°. 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 Pentyrch. See also: October | November | December.
