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Florianópolis in September

Find out everything about the water temperature in Florianópolis 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:

63.4 °F

Average:

66.5 °F

Maximum:

72.1 °F

Sea water temperature in Florianópolis in September

In the city of Florianópolis, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 63.4°F on September 3, 2019, with an average temperature being 66.5°F and a maximum temperature reaching 72.1°F on September 25, 2023.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In September, the sea temperature remains relatively stable. The average temperature stays close to 66.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Sep 1 65.4°F 64.9°F 64.3°F
Sep 2 65.4°F 65.3°F 64.2°F
Sep 3 65.1°F 64.5°F 63.9°F
Sep 4 65.2°F 65.8°F 64.9°F
Sep 5 65.2°F 65.0°F 65.0°F
Sep 6 65.2°F 64.9°F 66.3°F
Sep 7 65.1°F 64.7°F 64.8°F
Sep 8 65.3°F 65.9°F 65.6°F
Sep 9 65.7°F 66.7°F 65.5°F
Sep 10 66.2°F 66.7°F 65.7°F
Sep 11 66.3°F 67.3°F 66.5°F
Sep 12 66.6°F 68.9°F 67.5°F
Sep 13 66.3°F 67.5°F 67.4°F
Sep 14 66.5°F 67.4°F 67.2°F
Sep 15 66.6°F 67.3°F 68.1°F
Sep 16 66.4°F 67.0°F 67.0°F
Sep 17 66.5°F 66.7°F 68.3°F
Sep 18 66.4°F 66.7°F 67.9°F
Sep 19 66.8°F 67.6°F 68.7°F
Sep 20 66.9°F 67.4°F 68.5°F
Sep 21 67.1°F 67.2°F 69.5°F
Sep 22 67.4°F 67.6°F 71.2°F
Sep 23 67.6°F 68.3°F 71.0°F
Sep 24 67.9°F 68.5°F 72.0°F
Sep 25 67.6°F 68.0°F 72.1°F
Sep 26 67.5°F 67.2°F 71.4°F
Sep 27 67.4°F 67.1°F 70.8°F
Sep 28 67.6°F 68.9°F 69.5°F
Sep 29 67.8°F 69.4°F 69.0°F
Sep 30 67.9°F 70.0°F 68.7°F

Sea water temperature in Florianópolis by month

In Florianópolis, the months December through April offer comfortable swimming conditions, which amounts to 162 swimming days. The warmest water in Florianópolis was recorded on February 11, 2024, reaching a 83.2°F. While the coldest temperature occurred on June 14, 2016, dipping to 59.3°F. The average readings by season are 77.8°F in Winter, 74.8°F in Spring, 65.5°F in Summer, and 69.3°F in Autumn. The average temperature in September is slightly warmer than August's average of 65.0°F. And in October, the temperature is expected to rise further, potentially reaching an average of 69.2°F.