S
M
T
W
T
F
S
30
73°
58°
31
72°
58°
1
72°
57°
2
71°
57°
3
72°
55°
4
71°
52°
5
66°
53°
6
68°
55°
7
69°
56°
8
70°
56°
9
69°
55°
10
68°
53°
11
67°
51°
12
68°
54°
13
68°
53°
14
66°
54°
15
66°
51°
16
67°
48°
17
64°
48°
18
63°
50°
19
63°
52°
20
64°
51°
21
63°
49°
22
62°
50°
23
62°
52°
24
63°
51°
25
63°
51°
26
64°
52°
27
66°
54°
28
65°
54°
29
Hist. Avg.
61°
49°
30
Hist. Avg.
61°
49°
1
Hist. Avg.
61°
49°
2
Hist. Avg.
61°
49°
3
Hist. Avg.
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Kingston
Kingston's September 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 48° and 58°. The average high for September is 67° with an average low of 53°. 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.