S
M
T
W
T
F
S
30
86°
66°
31
84°
60°
1
82°
59°
2
79°
61°
3
79°
60°
4
80°
60°
5
78°
61°
6
78°
59°
7
77°
59°
8
78°
62°
9
78°
59°
10
76°
59°
11
77°
60°
12
79°
59°
13
78°
58°
14
77°
57°
15
75°
60°
16
77°
56°
17
76°
57°
18
76°
57°
19
74°
61°
20
74°
62°
21
Hist. Avg.
77°
58°
22
Hist. Avg.
76°
57°
23
Hist. Avg.
76°
57°
24
Hist. Avg.
76°
56°
25
Hist. Avg.
75°
56°
26
Hist. Avg.
75°
55°
27
Hist. Avg.
74°
55°
28
Hist. Avg.
74°
55°
29
Hist. Avg.
74°
54°
30
Hist. Avg.
73°
54°
1
Hist. Avg.
73°
53°
2
Hist. Avg.
72°
53°
3
Hist. Avg.
72°
52°
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 74° to 86°, with overnight lows between 56° and 66°. The average high for September is 78° with an average low of 60°. 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.
