Swimming in Tallinn in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Tallinn in september 2025.
In september, according to seasonal norms, the sea temperature in Tallinn is:
Minimum: 55°F
Average: 61°F
Maximum: 67°F
Other useful seasonal weather averages in september:
- Outside temperature: 54°F to 61°F
- Most common weather: "Moderate rain at times"
- The wind blows at 6.8mph
- It rains a total of 4.2in, over 7 day(s).
Should we swim in Tallinn in september?
No... The water temperature in Tallinn in september is cold
Swimming in Tallinn in september is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average sea temperature of 61°F (minimum: 55°F - maximum: 67°F).
Note also that in september, the climate is good with an average outside temperature of 58°F, 4.2in of precipitation (over 7 days) and 84.09 % humidity.
Water and normal seasonal temperatures in Tallinn in september
| September | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 55°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 56°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 52°F | ||
| Precipitation | 4.2in | ||
| Number of days of rain | 7 jour(s) (25%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.27km | ||
| Cloud cover | 48% | ||
| Our opinion | cold swimming |