S
M
T
W
T
F
S
30
84°
57°
31
85°
57°
1
83°
53°
2
82°
52°
3
82°
53°
4
81°
55°
5
78°
50°
6
77°
56°
7
80°
56°
8
83°
58°
9
84°
56°
10
76°
48°
11
74°
50°
12
81°
52°
13
82°
56°
14
83°
55°
15
82°
53°
16
77°
49°
17
74°
48°
18
78°
51°
19
73°
51°
20
80°
53°
21
79°
55°
22
Hist. Avg.
76°
49°
23
Hist. Avg.
75°
49°
24
Hist. Avg.
75°
49°
25
Hist. Avg.
74°
49°
26
Hist. Avg.
74°
48°
27
Hist. Avg.
74°
48°
28
Hist. Avg.
73°
48°
29
Hist. Avg.
73°
48°
30
Hist. Avg.
72°
47°
1
Hist. Avg.
72°
47°
2
Hist. Avg.
71°
47°
3
Hist. Avg.
71°
47°
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 73° to 85°, with overnight lows between 48° and 58°. The average high for September is 80° with an average low of 53°. 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.
