S
M
T
W
T
F
S
30
91°
72°
31
91°
72°
1
90°
71°
2
91°
72°
3
91°
72°
4
87°
71°
5
89°
70°
6
90°
68°
7
90°
70°
8
91°
71°
9
91°
71°
10
90°
70°
11
91°
71°
12
91°
70°
13
90°
70°
14
88°
67°
15
90°
68°
16
90°
67°
17
89°
68°
18
90°
65°
19
87°
59°
20
80°
60°
21
80°
61°
22
82°
58°
23
85°
61°
24
86°
64°
25
86°
62°
26
83°
61°
27
78°
63°
28
81°
62°
29
81°
62°
30
83°
61°
1
83°
62°
2
82°
62°
3
83°
61°
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 78° to 91°, with overnight lows between 58° and 72°. The average high for September is 87° with an average low of 66°. 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.
