S
M
T
W
T
F
S
30
98°
64°
31
95°
64°
1
93°
62°
2
94°
61°
3
96°
61°
4
96°
63°
5
95°
63°
6
97°
65°
7
97°
65°
8
94°
64°
9
91°
63°
10
93°
63°
11
92°
64°
12
91°
65°
13
93°
64°
14
96°
65°
15
95°
64°
16
91°
61°
17
92°
60°
18
90°
63°
19
94°
59°
20
90°
57°
21
88°
54°
22
Hist. Avg.
90°
58°
23
Hist. Avg.
90°
58°
24
Hist. Avg.
90°
58°
25
Hist. Avg.
89°
58°
26
Hist. Avg.
89°
58°
27
Hist. Avg.
89°
57°
28
Hist. Avg.
88°
57°
29
Hist. Avg.
88°
57°
30
Hist. Avg.
88°
57°
1
Hist. Avg.
87°
56°
2
Hist. Avg.
87°
56°
3
Hist. Avg.
86°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Highland
Highland's September 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 54° and 65°. The average high for September is 94° with an average low of 62°. 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. See also: October | November | December.
