S
M
T
W
T
F
S
30
79°
58°
31
80°
55°
1
78°
54°
2
77°
53°
3
76°
52°
4
76°
53°
5
77°
57°
6
76°
57°
7
75°
56°
8
77°
54°
9
76°
52°
10
78°
58°
11
80°
58°
12
80°
59°
13
81°
57°
14
81°
57°
15
78°
50°
16
77°
51°
17
71°
58°
18
79°
56°
19
78°
55°
20
78°
48°
21
80°
47°
22
76°
45°
23
77°
53°
24
76°
55°
25
Hist. Avg.
71°
46°
26
Hist. Avg.
71°
46°
27
Hist. Avg.
70°
45°
28
Hist. Avg.
70°
45°
29
Hist. Avg.
70°
44°
30
Hist. Avg.
69°
44°
1
Hist. Avg.
69°
44°
2
Hist. Avg.
68°
43°
3
Hist. Avg.
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sylvania
Sylvania's September 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 45° and 59°. The average high for September is 78° with an average low of 54°. 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 Sylvania. See also: October | November | December.
