S
M
T
W
T
F
S
30
78°
52°
31
80°
55°
1
82°
52°
2
76°
51°
3
77°
57°
4
82°
58°
5
83°
58°
6
82°
57°
7
77°
53°
8
76°
51°
9
79°
57°
10
80°
56°
11
77°
57°
12
78°
56°
13
80°
52°
14
74°
47°
15
72°
48°
16
73°
47°
17
73°
50°
18
76°
53°
19
79°
53°
20
80°
54°
21
72°
48°
22
77°
52°
23
71°
53°
24
78°
45°
25
71°
43°
26
70°
50°
27
77°
50°
28
76°
51°
29
Hist. Avg.
73°
47°
30
Hist. Avg.
72°
47°
1
Hist. Avg.
72°
46°
2
Hist. Avg.
72°
46°
3
Hist. Avg.
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Salem
Salem's September 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 43° and 58°. The average high for September is 77° 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.
