S
M
T
W
T
F
S
30
64°
55°
31
67°
55°
1
68°
54°
2
68°
53°
3
64°
52°
4
66°
53°
5
65°
48°
6
66°
52°
7
64°
51°
8
65°
51°
9
62°
50°
10
62°
49°
11
61°
47°
12
61°
49°
13
62°
47°
14
61°
52°
15
61°
51°
16
63°
50°
17
61°
51°
18
62°
47°
19
64°
46°
20
59°
48°
21
60°
49°
22
59°
46°
23
59°
46°
24
58°
48°
25
60°
50°
26
60°
50°
27
62°
45°
28
60°
44°
29
57°
45°
30
58°
44°
1
57°
43°
2
58°
45°
3
59°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bishop's Castle
Bishop's Castle's September 2026 forecast shows daily high temperatures ranging from 57° to 68°, with overnight lows between 43° and 55°. The average high for September is 62° with an average low of 49°. 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 Bishop's Castle. See also: October | November | December.
