S
M
T
W
T
F
S
30
100°
68°
31
96°
64°
1
96°
72°
2
98°
72°
3
102°
70°
4
102°
68°
5
99°
70°
6
98°
68°
7
96°
69°
8
97°
73°
9
95°
70°
10
87°
67°
11
96°
73°
12
97°
70°
13
96°
67°
14
93°
67°
15
83°
60°
16
82°
58°
17
80°
56°
18
79°
58°
19
78°
57°
20
79°
57°
21
82°
56°
22
85°
61°
23
82°
61°
24
75°
60°
25
77°
60°
26
80°
59°
27
79°
60°
28
76°
59°
29
75°
53°
30
81°
47°
1
70°
46°
2
72°
47°
3
71°
46°
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 70° to 97°, with overnight lows between 46° and 73°. The average high for September is 83° with an average low of 60°. 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.
