Thinking about venturing to Arenal Volcano National Park, Costa Rica this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What to Expect in Arenal Volcano National Park in September
Arenal Volcano National Park, Costa Rica is a region in Costa Rica. September in Arenal Volcano National Park generally has warm temperatures, with heavy precipitation.
Temperatures
The average maximum temperatures are warm and range from 27°C (81°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal. Nighttime temperatures generally drop to 22°C (72°F) in Nuevo Arenal and 22°C (72°F) in La Fortuna.To explore the conditions in Arenal Volcano National Park, Costa Rica in more detail, check the map below.
Precipitation
In September, precipitation varies across different areas. From heavy rainfall in Nuevo Arenal with an average of 303 mm (12 in) to heavy rainfall in La Fortuna with 331 mm (13 in).Average sunshine
Sunshine levels are moderate in most locations. El Castillo de La Fortuna typically sees 159 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.
