In September warmest sea in Karelia is usually observed in the following locations: Koli National Park, Medvezhyegorsk, Kondopoga.
Table below shows the average sea water temperature for marine resorts of Karelia in September for the last three years.
| Place name | September 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Koli National Park | 59.1°F | 61.5°F | 59.6°F |
| Medvezhyegorsk | 59.1°F | 62.3°F | 59.8°F |
| Kondopoga | 58.5°F | 62.7°F | 60.4°F |
Charts below show average sea water temperature for Karelia resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Karelia resorts at that time.
Popular places:
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