When to go · Playa Hermosa, Osa

Playa Hermosa, Osa in September

Avoid month. Listed as a month to avoid: May–Oct (rainy, roads can be slippery).

Key facts

Verdict: Avoid
Temperature: 28°C (82°F)82°F (28°C) / 22°C (72°F)72°F (22°C); average high / low
Rain days: 15
Crowds: Low; Costa Rica overall
Prices: Low; Costa Rica overall

Plan around it

Verdict

AvoidBest and avoid months for Playa Hermosa, Osa

Listed as a month to avoid: May–Oct (rainy, roads can be slippery).

September is rated avoid. These months rate higher:

Long-term averages

Playa Hermosa, OsaHighs around 28 °C (82 °F), lows around 22 °C (72 °F), rain on about 15 daysHighs around 82 °F (28 °C), lows around 72 °F (22 °C), rain on about 15 days

Costa Rica overall: Wettest on the Pacific; driest on the Caribbean — switch sides.

Weather, crowds and prices for any two months in Playa Hermosa, Osa, side by side.

First month

Second month

September: Listed as a month to avoid: May–Oct (rainy, roads can be slippery).

January: Inside Playa Hermosa, Osa's best window: Dec–Apr (dry season, lower rain, good surf).

Playa Hermosa, Osa: figures are long-term averages from this guide, not a forecast.