S
M
T
W
T
F
S
30
81°
68°
31
87°
70°
1
93°
73°
2
94°
73°
3
92°
72°
4
93°
70°
5
83°
65°
6
81°
62°
7
82°
65°
8
86°
66°
9
89°
61°
10
81°
59°
11
80°
60°
12
84°
62°
13
80°
58°
14
79°
57°
15
81°
57°
16
75°
52°
17
78°
57°
18
71°
56°
19
75°
57°
20
76°
56°
21
75°
56°
22
74°
54°
23
71°
54°
24
72°
52°
25
75°
54°
26
75°
49°
27
65°
44°
28
63°
42°
29
64°
44°
30
63°
42°
1
62°
44°
2
66°
50°
3
65°
49°
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 62° to 93°, with overnight lows between 42° and 72°. The average high for September is 76° with an average low of 56°. 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.
