Swimming in Fort William in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Fort William in september 2025.

In september, according to seasonal norms, the sea temperature in Fort William is:

Minimum: 55°F

Average: 56°F

Maximum: 58°F

Other useful seasonal weather averages in september:

  • Outside temperature: 48°F to 57°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 5mph
  • It rains a total of 7.4in, over 12 day(s).

Should we swim in Fort William in september?

No... The water temperature in Fort William in september is freezing

You won't be able to swim in Fort William in september! The water temperature is freezing, reaching as low as 55°F (and only 58°F at best)! Our advice: if you are going to Fort William this month, plan to sightsee and forget the beach!

Note also that in september, the climate is bad with an average outside temperature of 52°F, 7.4in of precipitation (over 12 days) and 95.91 % humidity.

Water and normal seasonal temperatures in Fort William in september

September
Average sea temperature 56°F
Minimum sea temperature 55°F
Maximum sea temperature 58°F
Average outside temperature 52°F
Maximum outside temperature 58°F
Minimum outside temperature 49°F
Wind speed 9.9mph
Wind temperature 47°F
Precipitation 7.4in
Number of days of rain 12 jour(s)
(39%)
Humidity 96%
Visibility in kilometers 7.05km
Cloud cover 74%
Our opinion freezing swimming

Chart of the tides in september 2025

Tide times in september 2025 in Fort William

Swim elsewhere in Scotland in september

City Average T° Max. T° Our opinion
Edinburgh in september59°F60°Ffreezing swimming
Aberdeen in september56°F59°Ffreezing swimming
Glasgow in september58°F60°Ffreezing swimming
Inverness in september56°F58°Ffreezing swimming
Dundee in september57°F59°Ffreezing swimming
Isle of Mull in september57°F58°Ffreezing swimming
Kirkwall in september56°F57°Ffreezing swimming
Lerwick in september55°F58°Ffreezing swimming
Skye in september56°F58°Ffreezing swimming
Stornoway in september56°F58°Ffreezing swimming
Glencoe in september56°F58°Ffreezing swimming
Oban in september57°F58°Ffreezing swimming
Perth in september58°F59°Ffreezing swimming
Tobermory in september57°F58°Ffreezing swimming
Ayr in september58°F59°Ffreezing swimming
Carnoustie in september56°F58°Ffreezing swimming
Dunoon in september58°F59°Ffreezing swimming
St Andrews in september57°F59°Ffreezing swimming
Troon in september58°F59°Ffreezing swimming

Swim in Scotland in september: sea temperature by city

Change units