Weather in September in Puerto Rico
Considering a trip to Puerto Rico this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What is the weather like in Puerto Rico in September?
September in Puerto Rico generally has very warm temperatures, with precipitation levels ranging from high to heavy.
Temperatures
You can expect very warm maximum daytime temperatures of around 31°C and nighttime temperatures around 25°C in San Juan. To learn more about the conditions in specific areas of Puerto Rico in September, check out the map below. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.For specific regional insights in Puerto Rico, refer to the map provided below.
Precipitation
In September, precipitation varies across different areas. From high rainfall in El Combate with an average of 104 mm to heavy rainfall in Humacao with 192 mm. San Juan experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.Average sunshine
Meanwhile, San Juan enjoys approximately 236 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.For a more detailed look at Puerto Rico's conditions throughout the year, check out our Puerto Rico climate page.
Where to go in Puerto Rico in September
perfect weather
pleasant
tolerable
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Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Puerto Rico's climate page.
Popular destinations
What is the weather like in September for the 5 most popular destinations in Puerto Rico?
San Juan
In September San Juan generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and high monthly rainfall. So on average the conditions are tolerable that month.
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Rincon
In September Rincon generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and high monthly rainfall. So on average the conditions are tolerable that month.
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Vieques
In September Vieques generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Culebra
In September Culebra generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and high monthly rainfall. So on average the conditions are tolerable that month.
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Fajardo
In September Fajardo generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Is your destination not in the list? Have a look at other destinations in Puerto Rico.
Is September the best time to visit Puerto Rico?
In our view, September might not be the best time to travel to Puerto Rico with often tolerable weather in San Juan.
Generally speaking, the best visiting conditions can be found in January, February, March and December offering mostly perfect weather in San Juan. The weather in May, July, August, September, October and November, on the other hand, tends to be tolerable.
Interested in more climate information?
We have much more information about the climate in Puerto Rico.
Weather and climate has detailed information for every country in the world. Are you going to Puerto Rico? Get detailed historical weather averages for many cities in Puerto Rico.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.