September Rainfall and Precipitation in Costa Rica

Monthly rainfall totals, rainy days and the driest cities across Costa Rica in September.

Costa Rica experiences heavy precipitation in September, ranging from 244 mm (9.6 in) of rainfall in Puerto Limón to 879 mm (35 in) in Dominical.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Costa Rica, check out our Costa Rica's climate page.

See also: the Costa Rica weather by month.

Best Places to Visit in Costa Rica in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Costa Rica.

Conditions Temperatures Precipitation
Monthly precipitation 0 mm (0 in) dry → 150 mm (5.9 in) wet

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

Costa Rica precipitation in September: frequently asked questions

How much rainfall does Costa Rica receive in September?

In Costa Rica, September is a prominent month within the rainy season. It might not be the ideal month to visit. Jacó experiences fluctuating weather conditions in September, often marked by frequent rainfall that averages around 579 mm (23 in).

How many days does it rain in Costa Rica in September?

Expect around 22 days rainy days in Jacó during September.

Is September part of the rainy season in Costa Rica?

Yes, the rainy season in Costa Rica includes September. Plan for periodic rainfall during your visit.

What is the wettest city in September in Costa Rica?

Dominical is the wettest city in Costa Rica in September according to our database, with average rainfall of around 879 mm (35 in).

What is the driest city in September in Costa Rica?

Based on our database, Puerto Limón sees the least rainfall in Costa Rica in September, with around 244 mm (9.6 in) on average.

Interested in more climate information?

We have much more information about the climate in Costa Rica.

Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed historical weather averages for many cities in Costa Rica.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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