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

Curious about the September weather in Bayamon? Check out this comprehensive weather guide.

In September, Bayamon generally has very high temperatures and high rainfall. Anticipate daytime temperatures around 31°C, while night temperatures can drop to 25°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Bayamon in September usually receives high rainfall, averaging around 155 mm for the month. It records the year's peak rainfall, often coming down quite heavily. We recommend bringing a poncho, which will keep you dry. Typically around 18 days of rainfall is expected.

With around 236 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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 TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 31°C  
Water TemperatureWater Temperature 29°C *  
Chance of RainChance of Rain 60%  
PrecipitationPrecipitation 155 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 (16 KM, 10 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.

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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 Bayamon 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
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in 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 climate conditions. Find out where to go with our weather planner.