Average data for 10 years
1 September
Sunday
+29°
+29°
2 September
Monday
+29°
+29°
3 September
Tuesday
+29°
+29°
4 September
Wednesday
+30°
+29°
5 September
Thursday
+29°
+29°
6 September
Friday
+29°
+28°
7 September
Saturday
+29°
+29°
8 September
Sunday
+29°
+29°
9 September
Monday
+29°
+28°
10 September
Tuesday
+29°
+28°
11 September
Wednesday
+29°
+29°
12 September
Thursday
+29°
+28°
13 September
Friday
+29°
+29°
14 September
Saturday
+29°
+29°
15 September
Sunday
+29°
+28°
16 September
Monday
+29°
+28°
17 September
Tuesday
+29°
+28°
18 September
Wednesday
+29°
+28°
19 September
Thursday
+29°
+28°
20 September
Friday
+29°
+28°
21 September
Saturday
+29°
+28°
22 September
Sunday
+29°
+28°
23 September
Monday
+29°
+28°
24 September
Tuesday
+29°
+28°
25 September
Wednesday
+29°
+28°
26 September
Thursday
+29°
+28°
27 September
Friday
+29°
+28°
28 September
Saturday
+29°
+28°
29 September
Sunday
+29°
+28°
30 September
Monday
+29°
+28°
Cities with similar weather in September
Thailand
Pattaya
Vietnam
Nha Trang
China
Sanya
Egypt
Hurgada
Thailand
Bangkok
September in Key West is the rainiest and the cloudiest month of the year. In September, the weather in Key West is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Key West has 13 rainy, 10 sunny, and 7 partly cloudy days in September. The rains are usually heavy. September as well as October is considered the most uncomfortable time to visit Key West.