S
M
T
W
T
F
S
30
69°
49°
31
75°
48°
1
76°
45°
2
69°
53°
3
67°
54°
4
67°
53°
5
73°
53°
6
73°
54°
7
74°
54°
8
73°
53°
9
72°
53°
10
74°
51°
11
74°
44°
12
69°
51°
13
70°
43°
14
71°
42°
15
64°
47°
16
65°
43°
17
64°
43°
18
62°
46°
19
63°
40°
20
62°
39°
21
60°
46°
22
61°
41°
23
63°
39°
24
59°
40°
25
59°
38°
26
60°
39°
27
59°
38°
28
59°
38°
29
60°
39°
30
63°
41°
1
64°
42°
2
65°
43°
3
64°
45°
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 59° to 76°, with overnight lows between 38° and 54°. The average high for September is 66° with an average low of 45°. 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.
