S
M
T
W
T
F
S
30
81°
68°
31
77°
69°
1
78°
69°
2
82°
64°
3
81°
59°
4
74°
60°
5
73°
67°
6
79°
63°
7
78°
59°
8
72°
61°
9
71°
63°
10
72°
66°
11
75°
65°
12
80°
66°
13
79°
65°
14
79°
60°
15
78°
58°
16
70°
60°
17
70°
56°
18
71°
55°
19
69°
52°
20
67°
52°
21
66°
54°
22
67°
61°
23
68°
53°
24
70°
59°
25
73°
61°
26
69°
60°
27
75°
61°
28
74°
57°
29
73°
55°
30
66°
55°
1
67°
56°
2
72°
57°
3
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Shore
South Shore's September 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 48° and 69°. The average high for September is 73° 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 South Shore. See also: October | November | December.
