S
M
T
W
T
F
S
30
100°
75°
31
101°
76°
1
103°
75°
2
103°
74°
3
102°
74°
4
100°
75°
5
100°
73°
6
99°
72°
7
99°
73°
8
100°
74°
9
99°
76°
10
101°
73°
11
101°
76°
12
100°
73°
13
97°
72°
14
97°
73°
15
Hist. Avg.
100°
74°
16
Hist. Avg.
99°
74°
17
Hist. Avg.
99°
74°
18
Hist. Avg.
99°
73°
19
Hist. Avg.
98°
73°
20
Hist. Avg.
98°
72°
21
Hist. Avg.
98°
72°
22
Hist. Avg.
97°
71°
23
Hist. Avg.
97°
71°
24
Hist. Avg.
97°
70°
25
Hist. Avg.
96°
70°
26
Hist. Avg.
96°
70°
27
Hist. Avg.
95°
69°
28
Hist. Avg.
95°
69°
29
Hist. Avg.
95°
68°
30
Hist. Avg.
94°
68°
1
Hist. Avg.
94°
67°
2
Hist. Avg.
94°
67°
3
Hist. Avg.
93°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Youngtown
Youngtown's September 2026 forecast shows daily high temperatures ranging from 97° to 103°, with overnight lows between 72° and 76°. The average high for September is 100° with an average low of 74°. 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 Youngtown. See also: October | November | December.
