Caloundra average September sea temperature

Max: 23.6°C / 74.4°F

Avg: 21.9°C / 71.4°F

Min: 20.8°C / 69.4°F

These figures are calculated from several years of recorded data and are the maximum, minimum and average temperatures of all the recorded years

Average daily September sea temperatures


Monthly Caloundra water temperature chart

The bar chart below shows the average monthly sea temperatures at Caloundra over the year.

  • Jan
    26.2°C
    79.2°F
  • Feb
    27.1°C
    80.9°F
  • Mar
    26.5°C
    79.7°F
  • Apr
    25.5°C
    77.8°F
  • May
    24°C
    75.2°F
  • Jun
    22.4°C
    72.4°F
  • Jul
    21.4°C
    70.5°F
  • Aug
    21.2°C
    70.1°F
  • Sep
    21.9°C
    71.4°F
  • Oct
    22.9°C
    73.2°F
  • Nov
    24.4°C
    76°F
  • Dec
    25.7°C
    78.2°F