S
M
T
W
T
F
S
31
73°
54°
1
72°
55°
2
73°
54°
3
69°
58°
4
64°
57°
5
75°
56°
6
71°
55°
7
65°
49°
8
67°
40°
9
69°
50°
10
70°
49°
11
73°
48°
12
75°
50°
13
76°
56°
14
77°
54°
15
76°
56°
16
71°
57°
17
74°
53°
18
77°
55°
19
80°
54°
20
82°
60°
21
79°
62°
22
78°
61°
23
74°
60°
24
67°
63°
25
71°
62°
26
75°
60°
27
74°
58°
28
74°
55°
29
74°
58°
30
67°
60°
1
75°
54°
2
70°
54°
3
72°
48°
4
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bishop
Bishop's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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. See also: October | November | December.