S
M
T
W
T
F
S
30
90°
69°
31
87°
68°
1
85°
69°
2
86°
68°
3
88°
69°
4
88°
68°
5
89°
67°
6
90°
68°
7
89°
68°
8
88°
67°
9
88°
67°
10
89°
68°
11
88°
67°
12
88°
67°
13
85°
66°
14
86°
65°
15
88°
65°
16
88°
64°
17
87°
65°
18
85°
65°
19
87°
64°
20
86°
63°
21
86°
62°
22
87°
60°
23
80°
59°
24
82°
58°
25
81°
60°
26
82°
56°
27
83°
59°
28
86°
60°
29
87°
60°
30
86°
59°
1
86°
58°
2
85°
58°
3
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kingston
Kingston's September 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 56° and 69°. The average high for September is 86° with an average low of 64°. 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 Kingston. See also: October | November | December.
