S
M
T
W
T
F
S
30
84°
59°
31
74°
56°
1
67°
61°
2
71°
63°
3
73°
64°
4
79°
59°
5
73°
57°
6
69°
52°
7
74°
57°
8
71°
54°
9
72°
55°
10
74°
58°
11
74°
56°
12
75°
55°
13
73°
56°
14
72°
54°
15
70°
56°
16
72°
57°
17
75°
57°
18
67°
54°
19
69°
53°
20
69°
56°
21
74°
57°
22
75°
58°
23
75°
56°
24
74°
55°
25
73°
54°
26
73°
56°
27
74°
55°
28
73°
54°
29
72°
52°
30
65°
48°
1
62°
48°
2
63°
53°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Salem
Salem's September 2026 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 48° and 64°. The average high for September is 72° with an average low of 56°. 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 Salem. See also: October | November | December.
