S
M
T
W
T
F
S
30
91°
71°
31
93°
70°
1
93°
70°
2
92°
69°
3
87°
68°
4
87°
65°
5
85°
65°
6
87°
68°
7
86°
67°
8
89°
68°
9
91°
68°
10
86°
67°
11
86°
63°
12
88°
67°
13
90°
65°
14
88°
60°
15
83°
60°
16
84°
59°
17
83°
60°
18
84°
61°
19
89°
62°
20
89°
64°
21
88°
64°
22
87°
65°
23
87°
64°
24
85°
61°
25
86°
59°
26
87°
59°
27
87°
61°
28
86°
61°
29
86°
62°
30
87°
61°
1
87°
60°
2
86°
61°
3
86°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Havana
Havana's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 54° and 71°. The average high for September is 87° with an average low of 64°. 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 Havana. See also: October | November | December.
