Swimming in Sandhamn in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Sandhamn in september 2025.
In september, according to seasonal norms, the sea temperature in Sandhamn is:
Minimum: 52°F
Average: 59°F
Maximum: 67°F
Other useful seasonal weather averages in september:
- Outside temperature: 55°F to 60°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.8mph
- It rains a total of 2in, over 3 day(s).
Should we swim in Sandhamn in september?
No... The water temperature in Sandhamn in september is freezing
You won't be able to swim in Sandhamn in september! The water temperature is freezing, reaching as low as 52°F (and only 67°F at best)! Our advice: if you are going to Sandhamn 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, 1.9in of precipitation (over 3 days) and 83.8 % humidity.
Water and normal seasonal temperatures in Sandhamn in september
| September | |||
| Average sea temperature | 59°F | ||
| Minimum sea temperature | 52°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 56°F | ||
| Wind speed | 14.3mph | ||
| Wind temperature | 52°F | ||
| Precipitation | 2in | ||
| Number of days of rain | 3 jour(s) (12%) | ||
| Humidity | 84% | ||
| Visibility in kilometers | 9.63km | ||
| Cloud cover | 40% | ||
| Our opinion | freezing swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Sandhamn
Swim elsewhere in Sweden in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Stockholm in september | 59°F | 67°F | freezing swimming | Gothenburg in september | 61°F | 66°F | cold swimming | Gävle in september | 58°F | 64°F | freezing swimming | Gotland in september | 61°F | 68°F | cold swimming | Malmo in september | 62°F | 68°F | cold swimming | Sundsvall in september | 56°F | 64°F | freezing swimming | Helsingborg in september | 62°F | 67°F | cold swimming |