S
M
T
W
T
F
S
31
100°
64°
1
102°
61°
2
103°
67°
3
102°
70°
4
100°
68°
5
92°
62°
6
90°
64°
7
86°
58°
8
84°
58°
9
82°
64°
10
81°
60°
11
82°
59°
12
91°
63°
13
90°
62°
14
89°
62°
15
95°
65°
16
96°
58°
17
99°
61°
18
100°
63°
19
77°
67°
20
88°
65°
21
93°
63°
22
96°
65°
23
101°
61°
24
93°
58°
25
93°
59°
26
97°
61°
27
91°
57°
28
77°
61°
29
69°
60°
30
69°
60°
1
64°
58°
2
72°
57°
3
78°
55°
4
80°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mountain Gate
Mountain Gate's September 2025 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 Mountain Gate. See also: October | November | December.
