02.09
wed
wed
Day
88°F
N 12 mph
Precip.
21%
21%
Night
84°F
N 16 mph
Precip.
20%
20%
03.09
thu
thu
Day
84°F
N 6 mph
Precip.
44%
44%
Night
84°F
NW 16 mph
Precip.
20%
20%
04.09
fri
fri
Day
84°F
N 6 mph
Precip.
17%
17%
Night
86°F
N 14 mph
Precip.
6%
6%
05.09
sat
sat
Day
84°F
N 4 mph
Precip.
5%
5%
Night
84°F
N 11 mph
Precip.
5%
5%
06.09
sun
sun
Day
84°F
N 2 mph
Precip.
16%
16%
Night
84°F
N 13 mph
Precip.
10%
10%
07.09
mon
mon
Day
84°F
N 2 mph
Precip.
9%
9%
Night
86°F
NE 12 mph
Precip.
6%
6%
08.09
tue
tue
Day
84°F
N 6 mph
Precip.
17%
17%
Night
86°F
N 14 mph
Precip.
12%
12%
09.09
wed
wed
Day
86°F
N 8 mph
Precip.
9%
9%
Night
84°F
N 17 mph
Precip.
9%
9%
10.09
thu
thu
Day
86°F
N 13 mph
Precip.
19%
19%
Night
86°F
N 19 mph
Precip.
8%
8%
11.09
fri
fri
Day
86°F
N 16 mph
Precip.
13%
13%
Night
86°F
N 17 mph
Precip.
20%
20%
12.09
sat
sat
Day
86°F
NW 11 mph
Precip.
9%
9%
Night
84°F
NW 14 mph
Precip.
8%
8%
13.09
sun
sun
Day
86°F
NW 11 mph
Precip.
18%
18%
Night
84°F
N 13 mph
Precip.
7%
7%
14.09
mon
mon
Day
84°F
W 8 mph
Precip.
7%
7%
Night
84°F
N 10 mph
Precip.
7%
7%
15.09
tue
tue
Day
84°F
W 5 mph
Precip.
6%
6%
Night
84°F
N 10 mph
Precip.
7%
7%
sea water
temperature
temperature
| Galveston |
monthly
weather
weather
| Galveston |
current
weather
weather
| Galveston |
7 days
forecast
forecast
| Galveston |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 87.3°F and 83.8°F.
Air temperature in Galveston, °F
Precipitation total in Galveston, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Galveston
Galveston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston
Local time: 10:53
September 02, wednesday
1200
88°F
N
12 mph
12 mph
1500
90°F
N
11 mph
11 mph
1800
86°F
NW
10 mph
10 mph
2100
86°F
NW
14 mph
14 mph
September 03, thursday
0000
84°F
N
16 mph
16 mph
0300
84°F
N
16 mph
16 mph
0600
84°F
N
14 mph
14 mph
0900
84°F
N
11 mph
11 mph
