S
M
T
W
T
F
S
30
83°
70°
31
91°
73°
1
90°
71°
2
88°
66°
3
86°
71°
4
89°
74°
5
83°
68°
6
81°
65°
7
82°
65°
8
79°
67°
9
85°
52°
10
79°
53°
11
82°
64°
12
79°
48°
13
70°
60°
14
75°
57°
15
69°
47°
16
68°
48°
17
66°
49°
18
67°
46°
19
68°
47°
20
67°
49°
21
71°
48°
22
71°
53°
23
73°
54°
24
74°
54°
25
74°
53°
26
72°
53°
27
74°
54°
28
74°
54°
29
72°
53°
30
72°
52°
1
70°
46°
2
60°
43°
3
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Salem
West Salem's September 2026 forecast shows daily high temperatures ranging from 60° to 85°, with overnight lows between 38° and 67°. The average high for September is 72° with an average low of 52°. 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 West Salem. See also: October | November | December.
