S
M
T
W
T
F
S
30
85°
50°
31
83°
58°
1
84°
56°
2
83°
55°
3
84°
52°
4
84°
49°
5
82°
47°
6
73°
46°
7
73°
47°
8
74°
55°
9
72°
47°
10
73°
53°
11
75°
45°
12
72°
51°
13
73°
54°
14
73°
51°
15
71°
48°
16
69°
47°
17
71°
50°
18
73°
52°
19
79°
48°
20
79°
47°
21
78°
45°
22
70°
42°
23
68°
44°
24
69°
50°
25
68°
42°
26
67°
44°
27
68°
44°
28
68°
46°
29
66°
42°
30
65°
42°
1
66°
49°
2
69°
50°
3
73°
47°
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 65° to 85°, with overnight lows between 42° and 58°. The average high for September is 74° with an average low of 48°. 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.
