Aguada Weather in September
Thinking of visiting Aguada in September? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 26°C (79°F) at night, and be prepared for the wettest month of the year.
Rainfall in Aguada in September
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. Climate statistics over the past 30 years suggest around 17 days of rain, with 123 mm (4.8 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Aguada in September
Daytime temperatures in Aguada reach 30°C (86°F) in September, dropping to 26°C (79°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.September in Aguada can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Aguada Temperature in September
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Aguada Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aguada - and find the best time to visit.
Daily Historical Temperatures
48-year average (1977-2025)
Based on our historical records, temperatures in Aguada typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather records for Aguada in September
Browse day-by-day weather records for Aguada spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aguada historical weather extremes in September
The extremes listed below come from historical weather data collected in Aguada from 1999 through 2025.
- On September 29, 2013, temperatures climbed to 35°C (95°F), marking the warmest September day on record.
- The coldest September day was on September 18, 2004, with a maximum of 27°C (81°F).
- The coldest night in September in Aguada was on September 3, 2024, with a minimum of 21°C (70°F).
Best Places 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. See all of Puerto Rico in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Aguada in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Aguada in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Aguada 3-Day Forecast
See the full Aguada climate overview or explore weather in Puerto Rico.
Popular in September
Where to go in September - average daytime high across popular destinations.
San Juan
31°C (88°F) Fajardo30°C (86°F) Luquillo30°C (86°F) Aguada
30°C (86°F) Rincon
30°C (86°F) Rio Grande31°C (88°F) Culebra30°C (86°F) Vieques30°C (86°F) 
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