S
M
T
W
T
F
S
30
76°
56°
31
76°
63°
1
77°
64°
2
79°
65°
3
79°
57°
4
77°
54°
5
75°
55°
6
74°
54°
7
74°
57°
8
78°
57°
9
79°
61°
10
81°
54°
11
75°
54°
12
73°
60°
13
73°
52°
14
74°
52°
15
70°
56°
16
72°
55°
17
71°
57°
18
74°
50°
19
72°
50°
20
70°
51°
21
74°
49°
22
70°
55°
23
73°
56°
24
76°
58°
25
77°
57°
26
76°
57°
27
76°
56°
28
78°
54°
29
74°
49°
30
71°
55°
1
73°
55°
2
75°
45°
3
74°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rossford
Rossford's September 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 44° and 65°. The average high for September is 75° 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 Rossford. See also: October | November | December.