S
M
T
W
T
F
S
30
91°
70°
31
90°
69°
1
90°
68°
2
88°
65°
3
87°
70°
4
89°
67°
5
87°
67°
6
88°
68°
7
89°
69°
8
88°
68°
9
88°
68°
10
87°
67°
11
87°
68°
12
85°
67°
13
82°
65°
14
80°
66°
15
81°
66°
16
82°
65°
17
83°
62°
18
82°
60°
19
80°
63°
20
80°
60°
21
79°
59°
22
79°
58°
23
81°
58°
24
82°
63°
25
83°
64°
26
82°
63°
27
82°
62°
28
77°
60°
29
81°
56°
30
79°
56°
1
Hist. Avg.
79°
58°
2
Hist. Avg.
78°
57°
3
Hist. Avg.
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Anderson
Anderson's September 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 56° and 70°. The average high for September is 84° with an average low of 64°. 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 Anderson. See also: October | November | December.
