S
M
T
W
T
F
S
30
70°
55°
31
66°
50°
1
70°
48°
2
68°
57°
3
73°
63°
4
66°
55°
5
70°
52°
6
73°
55°
7
66°
59°
8
64°
54°
9
64°
48°
10
64°
45°
11
66°
45°
12
70°
45°
13
73°
61°
14
77°
57°
15
68°
54°
16
63°
52°
17
64°
52°
18
63°
52°
19
70°
55°
20
64°
52°
21
69°
56°
22
69°
57°
23
62°
44°
24
65°
52°
25
64°
47°
26
64°
50°
27
64°
48°
28
61°
49°
29
63°
53°
30
65°
50°
1
61°
48°
2
64°
46°
3
58°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sound
Sound's September 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 44° and 57°. The average high for September is 64° with an average low of 50°. 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 Sound. See also: October | November | December.
