S
M
T
W
T
F
S
30
95°
71°
31
94°
70°
1
94°
66°
2
93°
64°
3
90°
67°
4
93°
71°
5
93°
71°
6
94°
70°
7
93°
71°
8
92°
70°
9
93°
71°
10
93°
67°
11
92°
61°
12
88°
65°
13
90°
63°
14
90°
65°
15
89°
66°
16
84°
65°
17
88°
56°
18
88°
55°
19
80°
55°
20
78°
56°
21
79°
62°
22
81°
64°
23
87°
63°
24
85°
64°
25
86°
55°
26
85°
54°
27
78°
52°
28
79°
51°
29
77°
52°
30
85°
61°
1
85°
60°
2
Hist. Avg.
82°
56°
3
Hist. Avg.
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Cobb
Fort Cobb's September 2026 forecast shows daily high temperatures ranging from 77° to 95°, with overnight lows between 51° and 71°. The average high for September is 88° with an average low of 63°. 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 Fort Cobb. See also: October | November | December.
