S
M
T
W
T
F
S
30
77°
65°
31
82°
68°
1
83°
69°
2
81°
67°
3
76°
64°
4
76°
61°
5
75°
60°
6
75°
59°
7
76°
66°
8
81°
61°
9
74°
58°
10
74°
59°
11
77°
55°
12
72°
57°
13
72°
57°
14
71°
56°
15
72°
57°
16
73°
58°
17
73°
56°
18
75°
55°
19
73°
54°
20
71°
53°
21
70°
53°
22
70°
54°
23
72°
57°
24
76°
53°
25
76°
58°
26
75°
58°
27
69°
56°
28
69°
55°
29
74°
51°
30
74°
50°
1
67°
53°
2
72°
58°
3
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Highlands
Highlands's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 48° and 69°. The average high for September is 74° with an average low of 58°. 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 Highlands. See also: October | November | December.
