S
M
T
W
T
F
S
30
81°
52°
31
80°
51°
1
80°
53°
2
81°
52°
3
80°
51°
4
79°
50°
5
78°
50°
6
79°
52°
7
79°
48°
8
78°
51°
9
78°
50°
10
79°
51°
11
77°
49°
12
77°
49°
13
78°
50°
14
80°
51°
15
82°
54°
16
83°
55°
17
83°
48°
18
81°
44°
19
73°
45°
20
76°
50°
21
81°
51°
22
82°
43°
23
73°
43°
24
72°
42°
25
74°
45°
26
69°
43°
27
72°
48°
28
74°
44°
29
Hist. Avg.
74°
46°
30
Hist. Avg.
74°
46°
1
Hist. Avg.
73°
46°
2
Hist. Avg.
72°
45°
3
Hist. Avg.
72°
45°
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 69° to 83°, with overnight lows between 42° and 55°. The average high for September is 78° with an average low of 49°. 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.
