S
M
T
W
T
F
S
30
75°
57°
31
76°
62°
1
75°
64°
2
80°
56°
3
75°
53°
4
73°
55°
5
71°
54°
6
72°
57°
7
77°
59°
8
79°
62°
9
81°
61°
10
80°
55°
11
73°
60°
12
73°
57°
13
75°
52°
14
71°
53°
15
69°
52°
16
70°
51°
17
71°
59°
18
75°
49°
19
70°
53°
20
70°
49°
21
72°
52°
22
70°
57°
23
75°
58°
24
77°
57°
25
72°
58°
26
75°
57°
27
75°
58°
28
77°
54°
29
74°
56°
30
73°
57°
1
75°
54°
2
75°
46°
3
72°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Morton Grove
Morton Grove's September 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 44° and 64°. The average high for September is 74° 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 Morton Grove. See also: October | November | December.
