Puerto Rico temperatures in September
September is generally a very warm month with maximum daytime temperatures around 31°C (88°F) and nighttime temperatures around 25°C (77°F) in San Juan.
What is the temperature of the different cities in Puerto Rico in September?
Find the average daytime temperatures in September for the most popular destinations in Puerto Rico on the map below. Click on a destination dot for more detailed information.
Interested in more climate information?
We have much more information about the climate in Puerto Rico.
Interested in the weather conditions in a specific month? Select the month below.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.