S
M
T
W
T
F
S
30
93°
73°
31
93°
73°
1
91°
77°
2
95°
77°
3
91°
75°
4
93°
73°
5
95°
75°
6
95°
73°
7
88°
75°
8
91°
77°
9
93°
75°
10
95°
74°
11
91°
75°
12
92°
75°
13
92°
74°
14
92°
73°
15
90°
72°
16
91°
73°
17
90°
72°
18
92°
73°
19
90°
73°
20
88°
73°
21
89°
72°
22
87°
71°
23
86°
72°
24
86°
73°
25
87°
73°
26
87°
73°
27
85°
72°
28
85°
73°
29
86°
73°
30
87°
72°
1
86°
72°
2
87°
72°
3
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Highland City
Highland City's September 2026 forecast shows daily high temperatures ranging from 85° to 95°, with overnight lows between 71° and 75°. The average high for September is 89° with an average low of 73°. 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 Highland City. See also: October | November | December.