S
M
T
W
T
F
S
30
91°
65°
31
90°
66°
1
90°
67°
2
91°
65°
3
88°
64°
4
86°
65°
5
86°
64°
6
89°
68°
7
90°
68°
8
90°
67°
9
89°
68°
10
89°
67°
11
88°
67°
12
89°
68°
13
89°
67°
14
88°
66°
15
87°
63°
16
86°
65°
17
87°
62°
18
84°
61°
19
86°
63°
20
85°
65°
21
86°
64°
22
83°
63°
23
86°
63°
24
84°
64°
25
84°
62°
26
84°
62°
27
81°
62°
28
Hist. Avg.
84°
60°
29
Hist. Avg.
83°
60°
30
Hist. Avg.
83°
60°
1
Hist. Avg.
83°
59°
2
Hist. Avg.
83°
59°
3
Hist. Avg.
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Aiken
Aiken's September 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 61° and 68°. The average high for September is 87° 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 Aiken. See also: October | November | December.
