September weather forecast
Saint Augustine South, FL

Weather in September

An excellent water temperature of 83.1°F (28.4°C) makes September in Saint Augustine South, Florida, a prime for swimming and other water activities.

Ocean temperature

In September, the average ocean temperature is 83.1°F (28.4°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In September, the average length of the day is 12.3h.
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FAQ

What is the water temperature in September in Saint Augustine South?

In September, the average ocean temperature in Saint Augustine South, Florida, is 83.1°F (28.4°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Saint Augustine South have in September?

In September, the average length of the day in Saint Augustine South, Florida, is 12.3h.

Average sea temperature in September
Saint Augustine South, FL

Average sea temperature in September - Saint Augustine South, FL
  • Average sea temperature in September: 83.2°F

The best month for swimming (with the highest average sea temperature) is August (83.8°F).
The coldest months (with the lowest average sea temperature) are January and February (64.3°F).

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Average daylight in September
Saint Augustine South, FL

Average daylight in September - Saint Augustine South, FL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

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