S
M
T
W
T
F
S
30
81°
61°
31
85°
63°
1
86°
63°
2
83°
62°
3
85°
56°
4
79°
54°
5
78°
57°
6
83°
62°
7
84°
62°
8
84°
61°
9
78°
60°
10
77°
61°
11
83°
60°
12
83°
61°
13
82°
60°
14
83°
60°
15
83°
59°
16
82°
59°
17
81°
55°
18
81°
51°
19
73°
49°
20
74°
48°
21
72°
48°
22
72°
50°
23
73°
49°
24
77°
48°
25
72°
54°
26
77°
55°
27
73°
54°
28
76°
54°
29
77°
53°
30
77°
52°
1
74°
51°
2
76°
51°
3
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ironton
Ironton's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 48° and 63°. The average high for September is 79° 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 Ironton. See also: October | November | December.
