S
M
T
W
T
F
S
30
88°
56°
31
77°
54°
1
76°
54°
2
78°
57°
3
75°
55°
4
78°
53°
5
83°
54°
6
86°
55°
7
91°
60°
8
92°
62°
9
97°
61°
10
96°
60°
11
98°
59°
12
94°
57°
13
93°
58°
14
91°
56°
15
92°
59°
16
88°
59°
17
92°
58°
18
92°
58°
19
84°
55°
20
87°
58°
21
89°
57°
22
91°
58°
23
86°
55°
24
82°
51°
25
81°
52°
26
79°
52°
27
80°
51°
28
80°
51°
29
81°
52°
30
81°
55°
1
80°
51°
2
80°
52°
3
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Monument Hills
Monument Hills's September 2026 forecast shows daily high temperatures ranging from 75° to 98°, with overnight lows between 51° and 62°. The average high for September is 86° with an average low of 56°. 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 Monument Hills. See also: October | November | December.
