S
M
T
W
T
F
S
30
82°
63°
31
79°
69°
1
84°
68°
2
72°
65°
3
88°
67°
4
85°
73°
5
80°
68°
6
78°
64°
7
80°
57°
8
81°
58°
9
88°
63°
10
84°
68°
11
81°
60°
12
82°
68°
13
82°
68°
14
82°
57°
15
71°
54°
16
77°
58°
17
75°
55°
18
71°
51°
19
69°
51°
20
70°
52°
21
71°
50°
22
65°
50°
23
68°
49°
24
66°
53°
25
63°
44°
26
64°
44°
27
67°
52°
28
72°
48°
29
65°
44°
30
66°
50°
1
67°
48°
2
63°
45°
3
66°
50°
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 63° to 84°, with overnight lows between 44° and 68°. The average high for September is 71° 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 Hillsdale. See also: October | November | December.
