S
M
T
W
T
F
S
30
90°
62°
31
74°
60°
1
86°
54°
2
86°
59°
3
84°
59°
4
85°
63°
5
89°
57°
6
89°
62°
7
91°
67°
8
94°
63°
9
95°
66°
10
N/A
11
88°
63°
12
89°
64°
13
86°
62°
14
85°
61°
15
83°
61°
16
85°
62°
17
85°
63°
18
86°
62°
19
84°
63°
20
82°
60°
21
79°
60°
22
80°
59°
23
82°
61°
24
84°
49°
25
77°
46°
26
83°
53°
27
85°
53°
28
81°
52°
29
80°
52°
30
83°
51°
1
85°
52°
2
85°
52°
3
84°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bear Flat
Bear Flat's September 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 46° and 64°. The average high for September is 84° with an average low of 57°. 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 Bear Flat. See also: October | November | December.