S
M
T
W
T
F
S
30
76°
47°
31
85°
53°
1
69°
57°
2
63°
56°
3
60°
54°
4
65°
54°
5
69°
53°
6
69°
51°
7
71°
50°
8
76°
54°
9
86°
57°
10
84°
55°
11
73°
53°
12
71°
52°
13
74°
51°
14
73°
51°
15
77°
54°
16
78°
53°
17
79°
55°
18
78°
47°
19
71°
46°
20
72°
52°
21
71°
53°
22
70°
49°
23
70°
48°
24
71°
47°
25
70°
53°
26
69°
52°
27
68°
48°
28
68°
45°
29
67°
43°
30
68°
44°
1
75°
50°
2
76°
49°
3
76°
50°
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 67° to 86°, with overnight lows between 43° and 57°. The average high for September is 73° 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 Salem. See also: October | November | December.
