S
M
T
W
T
F
S
30
78°
51°
31
79°
50°
1
79°
52°
2
78°
52°
3
79°
51°
4
78°
52°
5
77°
51°
6
76°
52°
7
85°
46°
8
80°
44°
9
79°
43°
10
78°
45°
11
81°
47°
12
80°
46°
13
81°
48°
14
80°
42°
15
74°
42°
16
75°
44°
17
75°
40°
18
74°
44°
19
78°
44°
20
81°
43°
21
81°
42°
22
80°
44°
23
81°
46°
24
82°
46°
25
80°
45°
26
78°
46°
27
80°
43°
28
76°
42°
29
75°
43°
30
77°
39°
1
72°
42°
2
74°
39°
3
70°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cuba
Cuba's September 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 39° and 52°. The average high for September is 78° with an average low of 45°. 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 Cuba. See also: October | November | December.
