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

Interested in knowing the climate of Bayamon in September? Get all the weather information you need to plan your visit.

Temperatures

Typically, September in Bayamon includes very high temperatures and high rainfall. During the daylight hours, temperatures often reach 31°C. After dark they usually decrease to around 25°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Precipitation

Bayamon in September usually receives high rainfall, averaging around 155 mm for the month. With the year's heaviest rain occurring this month, it's best to be equipped with a poncho to handle the frequent downpours. On average, there are about 18 days with rain during this month.

Average sunshine

There are approximately 236 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Bayamon. January, February, March and December generally stand out with the best circumstances. While May, August, September, October and November tend to showcase less optimal conditions.

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

 

Bayamon, monthly averages in September

Min Temperature 25°C  

Max Temperature 31°C  

Water Temperature 29°C *  

Chance of Rain 60%  

Precipitation 155 mm  

Rainy days 18 days  

Humidity 76% *  

Windspeed 11 km/h *  

Sunshine 236 hours *  

Percentage Sunshine 64% *  

Data from: San Juan, Puerto Rico (16 KM, 10 Miles).

Where to go in Puerto Rico in September

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

Weather conditions Weather

Temperatures

Precipitation

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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 this month?

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.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Bayamon.

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 travel conditions. Find out where to go with our weather planner.