S
M
T
W
T
F
S
30
87°
58°
31
79°
57°
1
79°
58°
2
80°
62°
3
79°
57°
4
81°
64°
5
84°
63°
6
86°
57°
7
83°
57°
8
78°
56°
9
77°
55°
10
77°
61°
11
79°
54°
12
80°
55°
13
76°
54°
14
75°
60°
15
79°
61°
16
82°
52°
17
82°
51°
18
73°
51°
19
72°
52°
20
72°
54°
21
73°
53°
22
71°
51°
23
70°
56°
24
71°
55°
25
72°
55°
26
77°
57°
27
77°
51°
28
78°
48°
29
70°
49°
30
69°
54°
1
70°
55°
2
74°
52°
3
75°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hillsdale
Hillsdale's September 2026 forecast shows daily high temperatures ranging from 69° to 87°, with overnight lows between 47° and 64°. The average high for September is 77° with an average low of 55°. 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 Hillsdale. See also: October | November | December.
