ClimateForecastSeptemberOctober >>

Weather in September in North Puerto Rico

Are you planning a trip a to North Puerto Rico in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in North Puerto Rico in September?

North Puerto Rico is a region in Puerto Rico. September in North 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. 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.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Dorado with an average of 145 mm to heavy rainfall in Arecibo with 170 mm. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in San Juan.

Average sunshine

The city San Juan usually sees around 236 hours of sunlight, indicating many sunny days.

For specific regional insights in North Puerto Rico for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our North Puerto Rico climate page.

Where to go in North Puerto Rico in September

Find more information for the most popular destinations in the North Puerto Rico on the map below. Click on a destination dot for more detailes.

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).

Popular destinations

What is the weather like in September for the 5 most popular destinations in North 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.

San Juan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
25°C 
267 hours 
118 mm 
20 days 
31°C 
25°C 
236 hours 
159 mm 
18 days 
October   >> October
>>  
31°C 
25°C 
228 hours 
146 mm 
18 days 
Climate in San Juan

Bayamon

In September Bayamon 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.

Bayamon
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
25°C 
267 hours 
107 mm 
20 days 
31°C 
25°C 
236 hours 
155 mm 
18 days 
October   >> October
>>  
31°C 
24°C 
228 hours 
140 mm 
18 days 
Climate in Bayamon

Isabela

In September Isabela generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 26°C and high monthly rainfall. So on average the conditions are tolerable that month.

Isabela
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
26°C 
116 mm 
19 days 
30°C 
26°C 
156 mm 
17 days 
October   >> October
>>  
30°C 
25°C 
127 mm 
18 days 
Climate in Isabela

Manati

In September Manati generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Manati
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
32°C 
25°C 
267 hours 
107 mm 
19 days 
31°C 
25°C 
236 hours 
164 mm 
18 days 
October   >> October
>>  
31°C 
24°C 
228 hours 
144 mm 
18 days 
Climate in Manati

Dorado

In September Dorado 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.

Dorado
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
32°C 
25°C 
267 hours 
96 mm 
20 days 
31°C 
25°C 
236 hours 
145 mm 
18 days 
October   >> October
>>  
31°C 
25°C 
228 hours 
130 mm 
18 days 
Climate in Dorado

Is your destination not in the list? Have a look at other destinations in North Puerto Rico, in Puerto Rico.

Is September the best time to visit North Puerto Rico?

In our opinion, September may not be the ideal time to visit North Puerto Rico due to the typically 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. On the other hand, the weather in May, July, August, September, October and November tend to be tolerable.

Interested in more climate information?

We have much more information about the climate in North Puerto Rico. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • 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.