S
M
T
W
T
F
S
30
67°
51°
31
66°
50°
1
67°
51°
2
69°
54°
3
69°
55°
4
68°
50°
5
68°
49°
6
65°
51°
7
68°
50°
8
69°
49°
9
69°
53°
10
68°
54°
11
69°
53°
12
68°
49°
13
65°
47°
14
64°
52°
15
63°
53°
16
64°
54°
17
65°
52°
18
66°
51°
19
63°
53°
20
66°
53°
21
67°
51°
22
66°
47°
23
61°
45°
24
61°
47°
25
62°
49°
26
63°
47°
27
62°
50°
28
60°
52°
29
63°
51°
30
62°
50°
1
63°
51°
2
63°
48°
3
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Silverton
Silverton's September 2026 forecast shows daily high temperatures ranging from 60° to 69°, with overnight lows between 45° and 55°. The average high for September is 65° with an average low of 50°. 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 Silverton. See also: October | November | December.
