S
M
T
W
T
F
S
30
101°
79°
31
101°
75°
1
100°
75°
2
100°
75°
3
95°
75°
4
98°
74°
5
100°
72°
6
102°
73°
7
103°
75°
8
102°
74°
9
98°
72°
10
97°
71°
11
94°
66°
12
94°
67°
13
95°
70°
14
88°
64°
15
92°
69°
16
92°
70°
17
91°
69°
18
92°
69°
19
91°
68°
20
91°
69°
21
90°
68°
22
89°
67°
23
89°
67°
24
88°
66°
25
89°
66°
26
88°
65°
27
89°
66°
28
89°
65°
29
88°
64°
30
88°
65°
1
87°
65°
2
87°
64°
3
86°
64°
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 86° to 103°, with overnight lows between 64° and 75°. The average high for September is 93° with an average low of 69°. 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.
