S
M
T
W
T
F
S
30
90°
73°
31
90°
72°
1
91°
73°
2
90°
73°
3
92°
72°
4
91°
72°
5
91°
73°
6
90°
71°
7
91°
71°
8
91°
72°
9
92°
72°
10
91°
73°
11
89°
71°
12
90°
72°
13
91°
71°
14
92°
72°
15
91°
71°
16
89°
70°
17
91°
71°
18
91°
71°
19
92°
72°
20
90°
71°
21
91°
71°
22
91°
72°
23
90°
72°
24
91°
71°
25
89°
72°
26
90°
71°
27
90°
71°
28
89°
70°
29
90°
71°
30
89°
69°
1
90°
70°
2
89°
68°
3
88°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Basinger
Fort Basinger's September 2026 forecast shows daily high temperatures ranging from 88° to 92°, with overnight lows between 66° and 73°. The average high for September is 90° with an average low of 71°. 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 Basinger. See also: October | November | December.