Swimming in Houston in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Houston in september 2025.
In september, according to seasonal norms, the sea temperature in Houston is:
Minimum: 80°F
Average: 84°F
Maximum: 88°F
Other useful seasonal weather averages in september:
- Outside temperature: 75°F to 90°F
- Most common weather: "Clear/Sunny"
- The wind blows at 14.9mph
- It rains a total of 9.6in, over 11 day(s).
Should we swim in Houston in september?
Yes! The water temperature in Houston in september is ideal
In september, swimming is ideal on the beaches around Houston! With water reaching 88°F at most and 84°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is good with an average outside temperature of 82°F, 9.6in of precipitation (over 11 days) and 85.86 % humidity.
Water and normal seasonal temperatures in Houston in september
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 80°F | ||
| Maximum sea temperature | 88°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 76°F | ||
| Wind speed | 8.7mph | ||
| Wind temperature | 76°F | ||
| Precipitation | 9.6in | ||
| Number of days of rain | 11 jour(s) (38%) | ||
| Humidity | 86% | ||
| Visibility in kilometers | 8.99km | ||
| Cloud cover | 31% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Houston
Swim elsewhere in the United States (USA) in september
Swim in the United States (USA) in september: sea temperature by city