S
M
T
W
T
F
S
30
84°
61°
31
77°
61°
1
70°
60°
2
73°
63°
3
79°
61°
4
82°
60°
5
70°
59°
6
69°
56°
7
75°
60°
8
76°
58°
9
77°
63°
10
75°
61°
11
74°
61°
12
74°
60°
13
74°
59°
14
73°
56°
15
71°
58°
16
72°
59°
17
76°
58°
18
69°
55°
19
69°
56°
20
71°
58°
21
74°
59°
22
76°
59°
23
76°
58°
24
75°
57°
25
74°
56°
26
74°
56°
27
75°
57°
28
74°
56°
29
73°
54°
30
66°
50°
1
64°
51°
2
63°
54°
3
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Southfield
Southfield's September 2026 forecast shows daily high temperatures ranging from 63° to 82°, with overnight lows between 50° and 63°. The average high for September is 73° 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 Southfield. See also: October | November | December.