S
M
T
W
T
F
S
30
76°
60°
31
77°
59°
1
71°
64°
2
70°
64°
3
83°
64°
4
83°
60°
5
75°
57°
6
74°
51°
7
79°
56°
8
79°
61°
9
80°
67°
10
78°
56°
11
72°
52°
12
74°
58°
13
76°
57°
14
74°
55°
15
75°
57°
16
74°
55°
17
76°
51°
18
68°
47°
19
74°
52°
20
76°
55°
21
75°
53°
22
75°
54°
23
72°
52°
24
70°
48°
25
70°
50°
26
73°
54°
27
73°
53°
28
64°
48°
29
62°
45°
30
64°
45°
1
62°
42°
2
62°
45°
3
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Schenectady
Schenectady's September 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 42° and 67°. The average high for September is 72° 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 Schenectady. See also: October | November | December.
