September weather forecast and climate
Port Saint Lucie, FL

A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida, on a beautiful sunny day
A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida, on a beautiful sunny day

What is the temperature in September in Port Saint Lucie?

In Port Saint Lucie, in September, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 72°F (22.2°C).

How much does it rain in Port Saint Lucie in September?

In Port Saint Lucie, Florida, in September, typically 7.8" (198.1mm) of precipitation is accumulated.

What is the wettest month in Port Saint Lucie?

September is the month with the most rainfall in Port Saint Lucie, Florida, with 7.8" (198.1mm) of accumulated precipitation.
Average temperature in September - Port Saint Lucie, FL
  • Average high temperature in September: 90°F

The warmest month (with the highest average high temperature) is July (92°F).
The month with the lowest average high temperature is January (74°F).

  • Average low temperature in September: 72°F

Months with the highest average low temperature are July, August and September (72°F).
The coldest month (with the lowest average low temperature) is January (51°F).

Average rainfall in September - Port Saint Lucie, FL
  • Average rainfall in September: 7.8"

The wettest month (with the highest rainfall) is September (7.8").
The driest month (with the lowest rainfall) is December (2.3").

Average sea temperature in September - Port Saint Lucie, FL
  • Average sea temperature in September: 84.4°F

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

Average daylight in September - Port Saint Lucie, FL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.4h).

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