Rio Grande average September sea temperature

Max: 17.1°C / 62.8°F

Avg: 14°C / 57.1°F

Min: 11.9°C / 53.4°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 Rio Grande water temperature chart

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

  • Jan
    24.1°C
    75.4°F
  • Feb
    24.1°C
    75.3°F
  • Mar
    23.7°C
    74.7°F
  • Apr
    21.4°C
    70.6°F
  • May
    18.7°C
    65.7°F
  • Jun
    16.4°C
    61.5°F
  • Jul
    13.2°C
    55.8°F
  • Aug
    13.7°C
    56.6°F
  • Sep
    14°C
    57.1°F
  • Oct
    17.4°C
    63.2°F
  • Nov
    19.6°C
    67.2°F
  • Dec
    21.8°C
    71.3°F