Costa Rica in September falls squarely within the “green season,” also known as the rainy season. This period typically experiences higher rainfall and humidity compared to the dry season. Afternoon showers are common, interspersed with periods of sunshine. Temperatures remain warm, generally in the mid-70s to mid-80s Fahrenheit (low 20s to high 20s Celsius), although variations exist depending on altitude and specific location.
Traveling during this time offers unique advantages. Lush landscapes flourish under the frequent rainfall, creating vibrant scenery. Lower prices on accommodations and fewer crowds provide budget-conscious travelers and those seeking a more tranquil experience with appealing incentives. Additionally, the green season boasts increased wildlife activity, providing excellent opportunities for nature enthusiasts and photographers. Understanding the typical climate conditions for this Central American country during September allows for informed planning and realistic expectations.