Swimming in Gruissan in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Gruissan in september 2025.
In september, according to seasonal norms, the sea temperature in Gruissan is:
Minimum: 67°F
Average: 70°F
Maximum: 73°F
Other useful seasonal weather averages in september:
- Outside temperature: 64°F to 77°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 2.1in, over 3 day(s).
Should we swim in Gruissan in september?
Yes... and no. The water temperature in Gruissan in september is cool
Swimming in september on the beaches of Gruissan is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 73°F, it can also be as low as 67°F! Note that the average is 70°F.
Note also that in september, the climate is perfect with an average outside temperature of 70°F, 2.1in of precipitation (over 3 days) and 77.02 % humidity.
Water and normal seasonal temperatures in Gruissan in september
| September | |||
| Average sea temperature | 70°F | ||
| Minimum sea temperature | 67°F | ||
| Maximum sea temperature | 73°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 65°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 2.1in | ||
| Number of days of rain | 3 jour(s) (9%) | ||
| Humidity | 78% | ||
| Visibility in kilometers | 9.61km | ||
| Cloud cover | 23% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Gruissan
Swim elsewhere in Languedoc-Roussillon Mediterranean in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Montpellier in september | 71°F | 74°F | pleasant swimming | Agde in september | 70°F | 73°F | pleasant swimming | Canet-en-Roussillon in september | 70°F | 74°F | cool swimming | Carnon-Plage in september | 71°F | 74°F | pleasant swimming | Frontignan in september | 70°F | 73°F | cool swimming | Le Cap d'Agde in september | 70°F | 73°F | pleasant swimming | Narbonne in september | 70°F | 74°F | cool swimming | Palavas-les-Flots in september | 71°F | 74°F | pleasant swimming | Perpignan in september | 70°F | 74°F | cool swimming | Port-Leucate in september | 70°F | 74°F | cool swimming | Valras-Plage in september | 70°F | 73°F | cool swimming | Vias-Plage in september | 70°F | 73°F | pleasant swimming | Argelès-sur-Mer in september | 69°F | 74°F | cool swimming | Balaruc-les-Bains in september | 70°F | 74°F | pleasant swimming | Banyuls-sur-Mer in september | 71°F | 76°F | pleasant swimming | Collioure in september | 70°F | 73°F | cool swimming | Peyriac-de-mer in september | 70°F | 73°F | cool swimming | Sérignan in september | 70°F | 73°F | cool swimming | Sète in september | 70°F | 73°F | pleasant swimming | Côte Vermeille in september | 70°F | 73°F | cool swimming |
Swim in Languedoc-Roussillon Mediterranean in september: sea temperature by city