Swimming in Saint-Jean-de-Luz in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Saint-Jean-de-Luz in september 2025.
In september, according to seasonal norms, the sea temperature in Saint-Jean-de-Luz is:
Minimum: 66°F
Average: 70°F
Maximum: 74°F
Other useful seasonal weather averages in september:
- Outside temperature: 63°F to 71°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 3.9in, over 6 day(s).
Should we swim in Saint-Jean-de-Luz in september?
Yes... and no. The water temperature in Saint-Jean-de-Luz in september is cool
Swimming in september on the beaches of Saint-Jean-de-Luz is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 74°F, it can also be as low as 66°F! Note that the average is 70°F.
Note also that in september, the climate is good with an average outside temperature of 67°F, 3.8in of precipitation (over 6 days) and 82.62 % humidity.
Water and normal seasonal temperatures in Saint-Jean-de-Luz in september
| September | |||
| Average sea temperature | 70°F | ||
| Minimum sea temperature | 66°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 72°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 9.3mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 3.9in | ||
| Number of days of rain | 6 jour(s) (20%) | ||
| Humidity | 83% | ||
| Visibility in kilometers | 9.58km | ||
| Cloud cover | 32% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Saint-Jean-de-Luz
Swim elsewhere in the French Basque country in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Bayonne in september | 70°F | 74°F | cool swimming | Biarritz in september | 70°F | 74°F | cool swimming | Bidart in september | 70°F | 74°F | cool swimming | Hendaye in september | 70°F | 74°F | cool swimming | Anglet in september | 70°F | 74°F | cool swimming |
Swim in the French Basque country in september: sea temperature by city