S
M
T
W
T
F
S
30
82°
56°
31
78°
55°
1
76°
57°
2
78°
60°
3
77°
56°
4
77°
54°
5
79°
56°
6
78°
59°
7
77°
53°
8
76°
54°
9
74°
59°
10
79°
53°
11
75°
51°
12
74°
51°
13
74°
56°
14
78°
57°
15
80°
57°
16
81°
56°
17
81°
56°
18
80°
55°
19
79°
48°
20
73°
48°
21
71°
52°
22
72°
54°
23
75°
54°
24
76°
55°
25
77°
50°
26
76°
45°
27
73°
47°
28
69°
45°
29
69°
44°
30
68°
45°
1
Hist. Avg.
72°
48°
2
Hist. Avg.
72°
47°
3
Hist. Avg.
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Highland
Highland's September 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 44° and 60°. The average high for September is 76° with an average low of 53°. 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.
