S
M
T
W
T
F
S
30
101°
75°
31
100°
70°
1
98°
73°
2
102°
71°
3
104°
79°
4
103°
73°
5
101°
72°
6
101°
75°
7
101°
75°
8
102°
75°
9
103°
75°
10
92°
70°
11
98°
67°
12
106°
69°
13
99°
73°
14
100°
73°
15
99°
68°
16
94°
62°
17
98°
66°
18
99°
73°
19
102°
70°
20
92°
68°
21
82°
63°
22
87°
55°
23
84°
63°
24
89°
68°
25
82°
66°
26
89°
59°
27
89°
61°
28
83°
67°
29
75°
64°
30
77°
58°
1
73°
51°
2
73°
51°
3
79°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Miami
Miami's September 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 51° and 67°. The average high for September is 80° 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 Miami. See also: October | November | December.
