S
M
T
W
T
F
S
30
84°
59°
31
74°
56°
1
68°
60°
2
71°
61°
3
75°
63°
4
83°
64°
5
71°
59°
6
71°
54°
7
80°
53°
8
78°
55°
9
73°
52°
10
86°
69°
11
77°
49°
12
71°
45°
13
67°
62°
14
71°
48°
15
68°
42°
16
80°
53°
17
73°
65°
18
77°
51°
19
63°
55°
20
62°
55°
21
65°
50°
22
61°
49°
23
64°
49°
24
65°
51°
25
69°
50°
26
67°
51°
27
71°
51°
28
68°
52°
29
67°
48°
30
63°
50°
1
62°
52°
2
70°
52°
3
63°
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 61° to 77°, with overnight lows between 48° and 65°. The average high for September is 66° 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 Salem. See also: October | November | December.
