S
M
T
W
T
F
S
30
93°
72°
31
96°
73°
1
97°
73°
2
99°
74°
3
100°
76°
4
102°
76°
5
102°
76°
6
97°
74°
7
97°
76°
8
93°
76°
9
96°
73°
10
98°
72°
11
90°
74°
12
93°
74°
13
94°
71°
14
98°
71°
15
97°
72°
16
95°
76°
17
94°
71°
18
99°
71°
19
99°
74°
20
97°
72°
21
93°
70°
22
90°
68°
23
88°
67°
24
84°
63°
25
84°
61°
26
82°
58°
27
82°
57°
28
81°
62°
29
80°
64°
30
79°
65°
1
81°
61°
2
80°
59°
3
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Windsor Highlands
Windsor Highlands's September 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 57° and 70°. The average high for September is 83° with an average low of 63°. 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 Windsor Highlands. See also: October | November | December.
