S
M
T
W
T
F
S
30
79°
64°
31
72°
65°
1
70°
61°
2
70°
63°
3
78°
68°
4
82°
67°
5
74°
63°
6
71°
60°
7
77°
59°
8
78°
62°
9
75°
62°
10
79°
69°
11
75°
62°
12
71°
57°
13
72°
66°
14
73°
60°
15
65°
56°
16
72°
54°
17
76°
66°
18
78°
65°
19
65°
56°
20
65°
58°
21
65°
58°
22
64°
56°
23
63°
55°
24
65°
53°
25
66°
57°
26
62°
56°
27
65°
59°
28
65°
55°
29
68°
52°
30
70°
54°
1
71°
54°
2
70°
50°
3
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Kingstown
South Kingstown's September 2026 forecast shows daily high temperatures ranging from 62° to 71°, with overnight lows between 50° and 59°. The average high for September is 67° with an average low of 54°. 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 Kingstown. See also: October | November | December.
