S
M
T
W
T
F
S
30
70°
64°
31
80°
65°
1
89°
70°
2
88°
66°
3
79°
62°
4
77°
58°
5
78°
56°
6
79°
55°
7
78°
54°
8
71°
53°
9
75°
55°
10
75°
56°
11
74°
49°
12
73°
50°
13
72°
50°
14
74°
49°
15
78°
55°
16
78°
54°
17
77°
53°
18
73°
53°
19
77°
55°
20
77°
55°
21
78°
54°
22
78°
54°
23
77°
53°
24
77°
53°
25
76°
52°
26
75°
51°
27
76°
52°
28
76°
51°
29
75°
50°
30
73°
50°
1
72°
49°
2
73°
51°
3
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vassar
Vassar's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 49° and 70°. The average high for September is 76° with an average low of 54°. 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 Vassar. See also: October | November | December.
