S
M
T
W
T
F
S
30
90°
72°
31
90°
74°
1
89°
74°
2
91°
76°
3
88°
76°
4
94°
74°
5
92°
75°
6
95°
75°
7
91°
74°
8
90°
74°
9
90°
74°
10
93°
75°
11
90°
75°
12
91°
74°
13
92°
73°
14
88°
73°
15
89°
72°
16
88°
73°
17
90°
72°
18
89°
72°
19
88°
70°
20
88°
72°
21
87°
70°
22
87°
71°
23
86°
72°
24
86°
72°
25
85°
72°
26
84°
72°
27
83°
71°
28
83°
71°
29
84°
70°
30
85°
72°
1
85°
71°
2
86°
71°
3
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Mack-Forest Hills
Lake Mack-Forest Hills's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 70° and 75°. The average high for September is 87° 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 Lake Mack-Forest Hills. See also: October | November | December.
