S
M
T
W
T
F
S
30
89°
57°
31
81°
62°
1
81°
65°
2
82°
56°
3
86°
60°
4
87°
64°
5
88°
61°
6
88°
55°
7
79°
54°
8
79°
54°
9
80°
56°
10
85°
60°
11
84°
55°
12
78°
55°
13
77°
53°
14
78°
59°
15
83°
58°
16
85°
51°
17
77°
51°
18
75°
50°
19
74°
51°
20
75°
53°
21
73°
53°
22
73°
50°
23
74°
54°
24
73°
54°
25
78°
57°
26
79°
56°
27
80°
48°
28
77°
54°
29
75°
55°
30
78°
55°
1
71°
53°
2
73°
49°
3
70°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bidwell
Bidwell's September 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 45° and 65°. The average high for September is 79° with an average low of 55°. 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 Bidwell. See also: October | November | December.
