S
M
T
W
T
F
S
30
62°
40°
31
65°
45°
1
65°
43°
2
64°
46°
3
66°
45°
4
63°
45°
5
68°
46°
6
70°
38°
7
70°
38°
8
69°
38°
9
69°
37°
10
68°
38°
11
67°
37°
12
68°
37°
13
68°
36°
14
67°
33°
15
67°
33°
16
65°
34°
17
66°
35°
18
66°
36°
19
59°
35°
20
57°
34°
21
59°
34°
22
56°
30°
23
62°
33°
24
61°
34°
25
58°
34°
26
55°
33°
27
54°
33°
28
54°
32°
29
55°
31°
30
54°
27°
1
54°
32°
2
53°
30°
3
54°
28°
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 53° to 70°, with overnight lows between 27° and 46°. The average high for September is 62° with an average low of 36°. 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.
