S
M
T
W
T
F
S
30
101°
74°
31
102°
75°
1
103°
76°
2
101°
74°
3
101°
73°
4
100°
73°
5
99°
71°
6
99°
72°
7
100°
73°
8
102°
73°
9
100°
74°
10
99°
71°
11
99°
73°
12
100°
73°
13
102°
74°
14
96°
69°
15
97°
68°
16
95°
69°
17
98°
73°
18
99°
72°
19
101°
73°
20
102°
73°
21
101°
77°
22
101°
70°
23
99°
70°
24
100°
72°
25
100°
74°
26
101°
72°
27
102°
76°
28
103°
74°
29
97°
71°
30
98°
68°
1
96°
66°
2
93°
64°
3
90°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Mohave
Fort Mohave's September 2026 forecast shows daily high temperatures ranging from 90° to 103°, with overnight lows between 62° and 77°. The average high for September is 99° with an average low of 72°. 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 Mohave. See also: October | November | December.
