September Rainfall and Precipitation in Arenal Volcano National Park
Average rainfall, rainy days and the driest cities in Arenal Volcano National Park, Costa Rica in September.
Select a Month
Check the conditions for any month of the year.
Best Places to Visit in Arenal Volcano National Park in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Arenal Volcano National Park.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Arenal Volcano National Park precipitation in September: frequently asked questions
How much rainfall does Arenal Volcano National Park, Costa Rica receive in September?
If you're considering a trip to Arenal Volcano National Park, Costa Rica, remember that September falls within the rainy season. El Castillo de La Fortuna is characterized by its unpredictable weather, often receiving about 320 mm (13 in) of rain, which leads to frequent and sudden showers.
How many days does it rain in Arenal Volcano National Park, Costa Rica in September?
Expect around 24 days rainy days in El Castillo de La Fortuna during September.
Is September part of the rainy season in Arenal Volcano National Park, Costa Rica?
Yes, the rainy season in Arenal Volcano National Park, Costa Rica includes September. Plan for periodic rainfall during your visit.
What is the wettest city in September in Arenal Volcano National Park, Costa Rica?
La Fortuna is the wettest city in Arenal Volcano National Park, Costa Rica in September according to our database, with average rainfall of around 331 mm (13 in).
What is the driest city in September in Arenal Volcano National Park, Costa Rica?
Nuevo Arenal is the driest city we have data for in Arenal Volcano National Park, Costa Rica in September, with monthly rainfall close to 303 mm (12 in).
Interested in more climate information?
We have much more information about the climate in Arenal Volcano National Park.
Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed historical weather averages for many cities in Costa Rica.
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.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Where the rain forest meets the ocean
I promise that you will not find a better location, better views, nicer rooms or lovelier staff anywhere in Costa Rica. This place really goes above and beyond.
Exploring Santa Teresa, Costa Rica: A Traveler's Guide
Immerse yourself in the laid-back charm of Santa Teresa, Costa Rica. Discover stunning beaches, vibrant dining spots, unique shops, and diverse activities in our comprehensive guide
Envision Festival
This event happens once a year in Uvita de Puntarenas and attracts people from all over the world. This festival is a must add to your bucket list.
Costa Rica Is Top Of The Happy Planet Index: Here's Why
Costa Rica has been crowned top of The Happy Planet Index — officially becoming the happiest, greenest country in the world. But what is it that makes this small but mighty Central American country so amazing?