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Alassio in September

Find out everything about the water temperature in Alassio in September. Average, minimum and maximum recorded temperatures as well as daily temperature in September for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in September
Minimum:

69.5 °F

Average:

75.5 °F

Maximum:

82.2 °F

Sea water temperature in Alassio in September

In the city of Alassio, the month of September is a great time for swimming. The minimum recorded temperature during this month was 69.5°F on September 26, 2017, with an average temperature being 75.5°F and a maximum temperature reaching 82.2°F on September 7, 2026.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. Throughout the month of September, the sea temperature gradually gets colder. Starting with an average temperature of 77.3°F at the beginning of the month, it steadily decreases to around 73.4°F by the end.
Date 10 years average 2026 2025
Sep 1 77.9°F 81.8°F 77.1°F
Sep 2 77.8°F 81.6°F 76.9°F
Sep 3 77.6°F 81.2°F 76.9°F
Sep 4 77.3°F 81.6°F 77.2°F
Sep 5 77.1°F 81.4°F 76.6°F
Sep 6 77.3°F 81.7°F 76.6°F
Sep 7 77.2°F 82.2°F 77.0°F
Sep 8 77.1°F 82.0°F 77.0°F
Sep 9 76.9°F 81.5°F 76.5°F
Sep 10 76.5°F 81.0°F 75.9°F
Sep 11 76.4°F 80.4°F 76.7°F
Sep 12 76.1°F 79.6°F 75.5°F
Sep 13 76.0°F 79.4°F 75.7°F
Sep 14 75.9°F 78.9°F 75.1°F
Sep 15 75.8°F 78.8°F 75.4°F
Sep 16 75.7°F 78.7°F 75.0°F
Sep 17 75.5°F 78.2°F 74.6°F
Sep 18 75.6°F 78.4°F 75.7°F
Sep 19 75.0°F 78.1°F 75.1°F
Sep 20 74.9°F 78.0°F 76.2°F
Sep 21 74.4°F 77.5°F 76.0°F
Sep 22 74.2°F 77.3°F 75.7°F
Sep 23 73.9°F 77.0°F 75.7°F
Sep 24 73.8°F 76.9°F 75.2°F
Sep 25 73.5°F 76.6°F 74.4°F
Sep 26 73.3°F 76.4°F 75.1°F
Sep 27 73.0°F 76.1°F 74.5°F
Sep 28 72.9°F 76.0°F 73.8°F
Sep 29 72.7°F 75.8°F 73.0°F
Sep 30 72.6°F 75.7°F 72.6°F

Sea water temperature in Alassio by month

In Alassio, the months July through September offer comfortable swimming conditions, which amounts to 97 swimming days. The warmest water in Alassio was recorded on July 22, 2026, reaching a 84.2°F. While the coldest temperature occurred on March 9, 2023, dipping to 54.9°F. The average readings by season are 58.7°F in Winter, 60.0°F in Spring, 76.4°F in Summer, and 70.3°F in Autumn. September's average temperature is a slight drop from August's average of 79.2°F. In October, the temperature is expected to decrease further, potentially averaging around 69.9°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Diano Marina 77.7°F 8mi
Pietra Ligure 78.0°F 12mi
Finale Ligure 77.9°F 14mi
Bordighera 77.7°F 29mi
Ventimiglia 77.7°F 31mi
Roquebrune-Cap-Martin 78.2°F 38mi
Genoa 77.3°F 47mi

* current water temperature in this city

** straight line distance from Alassio