S
M
T
W
T
F
S
30
92°
72°
31
96°
71°
1
95°
71°
2
96°
70°
3
96°
71°
4
95°
73°
5
95°
73°
6
96°
72°
7
96°
72°
8
94°
71°
9
89°
71°
10
90°
69°
11
90°
69°
12
93°
71°
13
92°
69°
14
93°
71°
15
92°
70°
16
93°
67°
17
91°
69°
18
86°
70°
19
88°
63°
20
92°
62°
21
85°
60°
22
84°
63°
23
84°
62°
24
85°
62°
25
84°
63°
26
86°
64°
27
89°
68°
28
90°
69°
29
90°
69°
30
89°
67°
1
90°
68°
2
89°
61°
3
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cross Mountain
Cross Mountain's September 2026 forecast shows daily high temperatures ranging from 84° to 96°, with overnight lows between 60° and 73°. The average high for September is 91° with an average low of 68°. 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 Cross Mountain. See also: October | November | December.
