S
M
T
W
T
F
S
30
78°
60°
31
83°
56°
1
84°
53°
2
83°
64°
3
86°
57°
4
88°
54°
5
89°
58°
6
84°
60°
7
78°
59°
8
85°
53°
9
86°
51°
10
89°
50°
11
90°
62°
12
92°
57°
13
89°
67°
14
76°
56°
15
85°
49°
16
86°
60°
17
85°
70°
18
80°
58°
19
71°
53°
20
72°
48°
21
75°
49°
22
73°
57°
23
76°
50°
24
78°
49°
25
85°
50°
26
82°
53°
27
83°
56°
28
71°
55°
29
72°
55°
30
74°
48°
1
77°
49°
2
85°
48°
3
79°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eagle Mountain
Eagle Mountain's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Eagle Mountain. See also: October | November | December.