S
M
T
W
T
F
S
30
88°
69°
31
90°
67°
1
93°
69°
2
95°
70°
3
93°
69°
4
92°
69°
5
88°
68°
6
86°
67°
7
84°
66°
8
84°
67°
9
85°
64°
10
84°
66°
11
79°
61°
12
79°
63°
13
81°
61°
14
83°
61°
15
84°
64°
16
85°
66°
17
86°
66°
18
85°
65°
19
84°
66°
20
85°
66°
21
85°
65°
22
86°
66°
23
84°
64°
24
85°
65°
25
84°
64°
26
81°
63°
27
81°
61°
28
80°
61°
29
81°
60°
30
81°
61°
1
80°
61°
2
81°
60°
3
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cary
Cary's September 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 60° and 70°. The average high for September is 85° with an average low of 65°. 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 Cary. See also: October | November | December.
