Aguadilla Weather in September
Aguadilla in September averages 30°C (86°F) during the day and 26°C (79°F) at night. This is the wettest month of the year.
Rainfall in Aguadilla in September
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. You can typically expect 17 days of rain this month, averaging around 131 mm (5.2 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Aguadilla in September
September in Aguadilla sees highs of 30°C (86°F) and lows of 26°C (79°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.September in Aguadilla has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Aguadilla's climate page.
Aguadilla Temperature in September
Daily Historical Temperatures
48-year average (1977-2025)
Based on our historical records, temperatures in Aguadilla 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 for Aguadilla in September
Browse day-by-day weather records for Aguadilla spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aguadilla historical weather extremes in September
Our historical data for Aguadilla spans 1999 to 2025, revealing these weather extremes.
- The warmest day in September was on September 29, 2013, with a maximum of 35°C (95°F).
- On September 18, 2022, Aguadilla saw its coldest September day with temperatures maxing out at 27°C (81°F).
- Nighttime temperatures dropped to 21°C (70°F) on September 3, 2024, marking the coldest September night on record.
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 →
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What to Wear in Aguadilla in September
Warm but pleasant conditions in Aguadilla in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Aguadilla in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Aguadilla's climate page.
See the full Aguadilla climate overview or explore weather in Puerto Rico.