S
M
T
W
T
F
S
30
55°
45°
31
53°
42°
1
55°
38°
2
51°
31°
3
50°
44°
4
56°
45°
5
54°
43°
6
61°
45°
7
63°
44°
8
59°
40°
9
57°
39°
10
53°
36°
11
54°
36°
12
51°
38°
13
54°
37°
14
55°
35°
15
49°
32°
16
48°
29°
17
47°
39°
18
48°
37°
19
47°
37°
20
46°
36°
21
46°
35°
22
45°
33°
23
45°
36°
24
44°
29°
25
42°
24°
26
41°
23°
27
40°
22°
28
40°
26°
29
41°
22°
30
38°
20°
1
38°
30°
2
44°
30°
3
42°
31°
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 38° to 63°, with overnight lows between 20° and 45°. The average high for September is 49° with an average low of 34°. 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.
