What September is like in Guanacaste
September is one of the wettest months in Guanacaste, with rain arriving earlier in the day at times. It's also one of the quietest months for tourism, which means better availability and a genuinely local pace, mornings still tend to be clear enough for tours.
Where to go in September
Bijagua
A quiet mountain village at the gateway to Tenorio Volcano National Park and Río Celeste.
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Guanacaste
Costa Rica's Pacific province — dry forests, volcanic peaks and pristine Pacific beaches.
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La Fortuna & Arenal
Volcano scenery, hanging bridges, wildlife and hot springs in Costa Rica’s adventure capital.
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Monteverde
The jewel in the crown of Costa Rica's cloud forests.
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Papagayo
Luxury resorts, quiet bays and easy access to Guanacaste adventures.
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Playas del Coco
A convenient beach town with restaurants, live music and easy day-trip access.
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Playa Hermosa
A calm Guanacaste beach with a relaxed atmosphere near Papagayo and Coco.
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Rincón de la Vieja
Volcanic landscapes, waterfalls and high-energy adventures close to Liberia.
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Río Celeste
A turquoise river flowing through Tenorio Volcano National Park — one of Costa Rica's most magical natural wonders.
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Sámara
A relaxed beach district on Guanacaste's Nicoya Peninsula.
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Tamarindo
Costa Rica's buzzing Pacific surf town on the Nicoya Peninsula.
Explore →Recommended tours for September
Costa Rica Highlights Tour — Sloths, Waterfall, Coffee, Hot Springs & Hanging Bridges
The ultimate one-day Costa Rica experience — sloth observation, waterfall, hands-on coffee and cacao workshop, natural mineral hot springs and two hanging bridges. Everything that makes Costa Rica extraordinary, in one private day.
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Buena Vista Mega Combo
Private full-day adventure at Buena Vista, Guanacaste — zip line, waterslide, hot springs and more. Certified bilingual guide. Book via WhatsApp with Wild Papagayo.
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Monteverde Treetop Walk
Private full-day Monteverde Cloud Forest treetop walk — suspension bridges at canopy level with zip line (Classic option) or reptiles exhibition, butterfly garden and sloth sanctuary (Plus option). Breakfast and lunch included.
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Rincon de la Vieja Hiking Tour
Private full-day hiking in Rincon de la Vieja National Park, Guanacaste. Volcanoes, hot springs and wildlife with a certified bilingual guide. Book via WhatsApp.
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Tubing at Río Celeste — Blue River Tubing
Private tubing experience on Río Celeste — float through the striking aquamarine blue river in lush rainforest, navigating small rapids with birds, monkeys and rich biodiversity. Minimum age 4. Lunch included.
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Sloth Adventure Tour Costa Rica
Private sloth wildlife encounter in the Costa Rica rainforest. Full-day private tour with certified bilingual guide. Book via WhatsApp with Wild Papagayo.
View Experience →September travel guides
Liberia Airport to Arenal & Papagayo: Drive Times & Stops
A practical guide to connecting Liberia Airport, Amor Arenal, and the Waldorf Astoria Papagayo, with drive times, worthwhile stops, activities near Arenal, and honest advice about September's green-season rain.
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Should You Book Flights and Hotels Together?
It's the question every first-time visitor asks. The honest answer might surprise you — and it depends on one thing most booking sites won't tell you.
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Costa Rica in September: Will Rain Ruin Your Tours?
September rain rarely cancels tours in Guanacaste and Arenal. Here's how the green season actually works and how to plan around it.
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Rental Car vs Private Driver in Guanacaste: Honest Guide
A balanced, locally-informed look at whether renting a car or hiring a private driver makes more sense for your Guanacaste trip, covering cost, insurance, roads and flexibility.
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Green Season Packing List: Guanacaste & Arenal
A practical, locally-informed packing guide for Costa Rica's Green Season, separating beach, rainforest, and transfer-day essentials for Guanacaste and Arenal.
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Best Waterfalls Near Papagayo: Which Day Trip to Pick
A local look at the best waterfall day trips from Papagayo, comparing drive time, walking difficulty, swimming access and how each changes between green and dry season.
Read Article →Plan your Costa Rica in September experience with a local expert.
Private transportation, personalized tours and practical advice in one conversation.