Swimming in Galveston in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Galveston in september 2025.
In september, according to seasonal norms, the sea temperature in Galveston is:
Minimum: 80°F
Average: 84°F
Maximum: 89°F
Other useful seasonal weather averages in september:
- Outside temperature: 80°F to 85°F
- Most common weather: "Clear/Sunny"
- The wind blows at 16.8mph
- It rains a total of 11.1in, over 13 day(s).
Should we swim in Galveston in september?
Yes! The water temperature in Galveston in september is ideal
In september, swimming is ideal on the beaches around Galveston! With water reaching 89°F at most and 84°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is tolerable with an average outside temperature of 82°F, 11.1in of precipitation (over 13 days) and 78.94 % humidity.
Water and normal seasonal temperatures in Galveston in september
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 80°F | ||
| Maximum sea temperature | 89°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 81°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 81°F | ||
| Precipitation | 11.1in | ||
| Number of days of rain | 13 jour(s) (43%) | ||
| Humidity | 79% | ||
| Visibility in kilometers | 9.22km | ||
| Cloud cover | 30% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Galveston
Swim elsewhere in the United States (USA) in september
Swim in the United States (USA) in september: sea temperature by city