S
M
T
W
T
F
S
30
90°
69°
31
92°
73°
1
94°
69°
2
94°
72°
3
94°
73°
4
94°
73°
5
95°
71°
6
85°
64°
7
83°
59°
8
91°
60°
9
80°
67°
10
78°
61°
11
83°
59°
12
85°
57°
13
76°
56°
14
80°
56°
15
92°
68°
16
83°
69°
17
86°
67°
18
82°
69°
19
85°
67°
20
75°
61°
21
69°
59°
22
70°
53°
23
73°
55°
24
74°
53°
25
72°
54°
26
77°
56°
27
77°
56°
28
78°
58°
29
75°
50°
30
76°
57°
1
77°
57°
2
75°
55°
3
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Macomb
Macomb's September 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 50° and 69°. The average high for September is 76° with an average low of 58°. 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 Macomb. See also: October | November | December.
