S
M
T
W
T
F
S
30
92°
62°
31
94°
66°
1
96°
66°
2
96°
66°
3
99°
68°
4
98°
69°
5
91°
67°
6
86°
64°
7
88°
60°
8
91°
69°
9
93°
72°
10
81°
64°
11
81°
67°
12
86°
66°
13
86°
64°
14
86°
68°
15
86°
67°
16
81°
59°
17
78°
60°
18
77°
55°
19
72°
52°
20
76°
54°
21
75°
53°
22
74°
58°
23
77°
57°
24
79°
58°
25
80°
59°
26
80°
58°
27
79°
58°
28
80°
57°
29
80°
58°
30
79°
57°
1
79°
57°
2
76°
49°
3
66°
44°
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 66° to 93°, with overnight lows between 44° and 72°. The average high for September is 80° with an average low of 59°. 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.
