Average data for 10 years
1 September
Sunday
+30°
+28°
2 September
Monday
+30°
+28°
3 September
Tuesday
+30°
+28°
4 September
Wednesday
+30°
+28°
5 September
Thursday
+29°
+28°
6 September
Friday
+29°
+28°
7 September
Saturday
+29°
+27°
8 September
Sunday
+29°
+28°
9 September
Monday
+29°
+27°
10 September
Tuesday
+29°
+27°
11 September
Wednesday
+29°
+27°
12 September
Thursday
+29°
+27°
13 September
Friday
+29°
+27°
14 September
Saturday
+29°
+27°
15 September
Sunday
+28°
+27°
16 September
Monday
+28°
+27°
17 September
Tuesday
+28°
+27°
18 September
Wednesday
+28°
+27°
19 September
Thursday
+29°
+27°
20 September
Friday
+28°
+27°
21 September
Saturday
+28°
+27°
22 September
Sunday
+28°
+26°
23 September
Monday
+28°
+26°
24 September
Tuesday
+29°
+27°
25 September
Wednesday
+29°
+27°
26 September
Thursday
+28°
+26°
27 September
Friday
+28°
+26°
28 September
Saturday
+28°
+26°
29 September
Sunday
+28°
+26°
30 September
Monday
+27°
+26°
Cities with similar weather in September
Thailand
Phuket
Turkey
Side
Cyprus
Ayia Napa
Cyprus
Larnaca
Egypt
Hurgada
In September, the weather in Galveston is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Galveston has 15 sunny, 14 rainy, and 1 partly cloudy day in September. The rains are usually heavy. September as well as July, August, and December is considered the most uncomfortable time to visit Galveston.