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Costa Rica in September
Consider Puerto Viejo and Tortuguero instead; many Pacific lodges shutter briefly.
What to expect in Costa Rica in September
September brings warm weather to Costa Rica, with daytime highs around 26°C (79°F) and overnight lows near 16°C (61°F). Skies are typically distinctly rainy, with about 302 mm of rainfall on average. Consider Puerto Viejo and Tortuguero instead; many Pacific lodges shutter briefly..
September is a quiet stretch — most attractions are easy to access and you'll often have spaces to yourself. It's one of the best-value windows of the year for both flights and hotels. Peak season runs December–March, for context.
Live fares for Costa Rica in September
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