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
78°
65°
9
85°
59°
10
78°
52°
11
82°
65°
12
79°
48°
13
65°
50°
14
67°
59°
15
69°
50°
16
69°
52°
17
71°
50°
18
68°
52°
19
70°
47°
20
68°
48°
21
69°
51°
22
68°
49°
23
70°
47°
24
74°
54°
25
73°
54°
26
73°
54°
27
72°
53°
28
72°
53°
29
69°
52°
30
70°
50°
1
63°
48°
2
66°
48°
3
67°
49°
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 63° to 82°, with overnight lows between 47° and 65°. The average high for September is 71° with an average low of 51°. 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.
