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Carolina weather in September (North Puerto Rico, Puerto Rico)

Curious about the September weather in Carolina? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Carolina generally has very high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 31°C. But by evening, they drop to around 25°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Carolina in September usually receives heavy rainfall, averaging around 167 mm for the month. This month marks the year's heaviest rainfall, with frequent intense rainshowers. It's advisable to be prepared with appropriate rain gear to stay dry. Typically around 18 days of rainfall is expected.

The days are predominantly sunny, with an estimated total of around 236 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Carolina. January, February, March, April and December typically offer the most optimal weather. In contrast, May, June, July, August, September and October tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Carolina climate page with graphs.

 

Carolina, monthly averages in September

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 31°C  
Water TemperatureWater Temperature 29°C *  
Chance of RainChance of Rain 60%  
PrecipitationPrecipitation 167 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 76% *  
WindspeedWindspeed 11 km/h *  
SunshineSunshine 236 hours *  
Percentage SunshinePercentage Sunshine 64% *  
* Data from: San Juan, Puerto Rico (7 KM, 4 Miles).

Where to go in Puerto Rico in September

Find out more about the weather in Puerto Rico in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Carolina in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 29°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Carolina.

Our site offers climate and forecast data for every country in the world. Are you going to Puerto Rico? On this website you can find 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 climate conditions. Find out where to go with our weather planner.