Swimming in Grande-Vallée in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Grande-Vallée in september 2025.
In september, according to seasonal norms, the sea temperature in Grande-Vallée is:
Minimum: 49°F
Average: 54°F
Maximum: 60°F
Other useful seasonal weather averages in september:
- Outside temperature: 54°F to 61°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.8mph
- It rains a total of 4.8in, over 6 day(s).
Should we swim in Grande-Vallée in september?
No... The water temperature in Grande-Vallée in september is freezing
You won't be able to swim in Grande-Vallée in september! The water temperature is freezing, reaching as low as 49°F (and only 60°F at best)! Our advice: if you are going to Grande-Vallée this month, plan to sightsee and forget the beach!
Note also that in september, the climate is good with an average outside temperature of 57°F, 4.8in of precipitation (over 6 days) and 82.19 % humidity.
Water and normal seasonal temperatures in Grande-Vallée in september
| September | |||
| Average sea temperature | 54°F | ||
| Minimum sea temperature | 49°F | ||
| Maximum sea temperature | 60°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 54°F | ||
| Wind speed | 11.8mph | ||
| Wind temperature | 52°F | ||
| Precipitation | 4.8in | ||
| Number of days of rain | 6 jour(s) (19%) | ||
| Humidity | 83% | ||
| Visibility in kilometers | 9km | ||
| Cloud cover | 41% | ||
| Our opinion | freezing swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Grande-Vallée
Swim elsewhere in Quebec in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Gaspé (Gaspé Peninsula) in september | 54°F | 60°F | freezing swimming | Baie-Comeau in september | 49°F | 55°F | freezing swimming | Carleton-sur-Mer in september | 52°F | 57°F | freezing swimming | Rimouski in september | 49°F | 54°F | freezing swimming | Bonaventure in september | 54°F | 59°F | freezing swimming | Cap-Chat in september | 51°F | 57°F | freezing swimming | Mont-Louis in september | 51°F | 57°F | freezing swimming |