S
M
T
W
T
F
S
30
79°
65°
31
86°
70°
1
89°
73°
2
93°
73°
3
94°
71°
4
89°
69°
5
83°
59°
6
79°
59°
7
82°
60°
8
83°
67°
9
89°
67°
10
81°
58°
11
72°
56°
12
80°
57°
13
78°
55°
14
77°
55°
15
77°
56°
16
79°
57°
17
81°
52°
18
73°
57°
19
79°
58°
20
78°
58°
21
77°
57°
22
77°
56°
23
74°
54°
24
70°
55°
25
77°
56°
26
74°
53°
27
66°
48°
28
65°
47°
29
66°
46°
30
65°
45°
1
63°
44°
2
64°
51°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fostoria
Fostoria's September 2026 forecast shows daily high temperatures ranging from 63° to 89°, with overnight lows between 44° and 69°. The average high for September is 76° with an average low of 55°. 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 Fostoria. See also: October | November | December.
