S
M
T
W
T
F
S
30
83°
69°
31
87°
71°
1
95°
77°
2
96°
78°
3
91°
77°
4
93°
76°
5
81°
72°
6
79°
68°
7
81°
64°
8
85°
65°
9
80°
71°
10
77°
64°
11
82°
60°
12
88°
66°
13
75°
55°
14
72°
65°
15
80°
63°
16
73°
65°
17
74°
62°
18
79°
65°
19
85°
60°
20
77°
56°
21
75°
56°
22
73°
53°
23
72°
52°
24
74°
54°
25
75°
51°
26
73°
52°
27
78°
53°
28
77°
53°
29
74°
53°
30
74°
52°
1
75°
51°
2
75°
51°
3
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hoffman Estates
Hoffman Estates's September 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 50° and 65°. The average high for September is 75° with an average low of 56°. 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 Hoffman Estates. See also: October | November | December.
