Swimming in the Landes in september 2025 Sea temperature by city in september
Do you want to go to the beach in the Landes in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in the Landes by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in the Landes in september 2025
Here, find the average sea temperature in the Landes in september in several coastal cities.
69°F
min: 66°F / max: 72°F
70°F
min: 66°F / max: 74°F
70°F
min: 66°F / max: 74°F
70°F
min: 66°F / max: 74°F
69°F
min: 65°F / max: 73°F
70°F
min: 66°F / max: 74°F
70°F
min: 66°F / max: 74°F
70°F
min: 66°F / max: 74°F
70°F
min: 66°F / max: 74°F
70°F
min: 66°F / max: 74°F
69°F
min: 66°F / max: 72°F
Tarnos
70°F
min: 66°F / max: 74°F
Vielle-Saint-Girons
70°F
min: 66°F / max: 74°F
Vieux-Boucau-les-Bains
70°F
min: 66°F / max: 74°F
Where should you go swimming in the Landes in the month of september?
Swimming in the Landes in september is cool
In september in the Landes swimming conditions are generally the same everywhere.
Swimming in september in Biscarrosse, Capbreton, Hossegor, Messanges, Mimizan, Saint-Julien-en-Born, Seignosse, Labenne, Lit-et-Mixe, Moliets-et-Maa, Sainte-Eulalie-en-Born, Tarnos, Vielle-Saint-Girons and Vieux-Boucau-les-Bains is possible but the sea is generally cool. So though the sea temperature may sometimes reach 72°F, it can also go as low as 66°F. Note that the average is 69°F.
Where to go swimming in the Landes in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Biscarrosse
| September | |||
| Average sea temperature | 69°F | ||
| Minimum sea temperature | 66°F | ||
| Maximum sea temperature | 72°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.3in | ||
| Number of days of precipitation | 5 jour(s) (15%) | ||
| Cloud cover | 28% | ||
| Our opinion | cool swimming |
More information on swimming in Biscarrosse in september
Capbreton
| September | |||
| Average sea temperature | 70°F | ||
| Minimum sea temperature | 66°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.5in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 32% | ||
| Our opinion | cool swimming |
More information on swimming in Capbreton in september
Hossegor
| September | |||
| Average sea temperature | 70°F | ||
| Minimum sea temperature | 66°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.5in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 32% | ||
| Our opinion | cool swimming |
More information on swimming in Hossegor in september
Messanges
| September | |||
| Average sea temperature | 70°F | ||
| Minimum sea temperature | 66°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 79°F | ||
| Minimum outside temperature | 59°F | ||
| Precipitation | 3in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 30% | ||
| Our opinion | cool swimming |
More information on swimming in Messanges in september
Mimizan
| September | |||
| Average sea temperature | 69°F | ||
| Minimum sea temperature | 65°F | ||
| Maximum sea temperature | 73°F | ||
| Average outside temperature | 68°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.3in | ||
| Number of days of precipitation | 5 jour(s) (15%) | ||
| Cloud cover | 28% | ||
| Our opinion | cool swimming |
More information on swimming in Mimizan in september
List of coastal cities in the Landes
| Biscarrosse in september | cool swimming |
| Capbreton in september | cool swimming |
| Hossegor in september | cool swimming |
| Messanges in september | cool swimming |
| Mimizan in september | cool swimming |
| Saint-Julien-en-Born in september | cool swimming |
| Seignosse in september | cool swimming |
| Labenne in september | cool swimming |
| Lit-et-Mixe in september | cool swimming |
| Moliets-et-Maa in september | cool swimming |
| Sainte-Eulalie-en-Born in september | cool swimming |
| Tarnos in september | cool swimming |
| Vielle-Saint-Girons in september | cool swimming |
| Vieux-Boucau-les-Bains in september | cool swimming |