S
M
T
W
T
F
S
30
72°
57°
31
72°
57°
1
72°
55°
2
75°
61°
3
82°
61°
4
84°
55°
5
75°
54°
6
79°
64°
7
75°
63°
8
70°
59°
9
N/A
10
70°
58°
11
69°
59°
12
71°
60°
13
72°
56°
14
73°
55°
15
75°
58°
16
74°
58°
17
74°
58°
18
73°
59°
19
75°
60°
20
76°
60°
21
77°
61°
22
77°
64°
23
76°
63°
24
73°
65°
25
72°
64°
26
72°
64°
27
73°
63°
28
72°
65°
29
74°
65°
30
76°
64°
1
72°
65°
2
72°
64°
3
73°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Miami
Miami's September 2026 forecast shows daily high temperatures ranging from 69° to 77°, with overnight lows between 55° and 65°. The average high for September is 73° with an average low of 61°. 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.
