September Rainfall and Precipitation in Guanacaste

Average rainfall, rainy days and the driest cities in Guanacaste, Costa Rica in September.

Guanacaste, Costa Rica, a region in Costa Rica, experiences in September precipitation ranging from a heavy 277 mm (11 in) in Puerto Soley to a heavy 436 mm (17 in) in Sámara.

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

See also: Guanacaste weather by month.

Best Places to Visit in Guanacaste in September

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

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.

Guanacaste precipitation in September: frequently asked questions

How much rainfall does Guanacaste, Costa Rica receive in September?

In September, Guanacaste, Costa Rica experiences its rainy season. Sun lovers might want to consider a different time for their trip. Tamarindo experiences fluctuating weather conditions in September, often marked by frequent rainfall that averages around 331 mm (13 in).

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

Tamarindo sees roughly 23 days rainy days during September.

Is September part of the rainy season in Guanacaste, Costa Rica?

Yes. September falls within the rainy season in Guanacaste, Costa Rica. Expect more frequent showers and pack accordingly.

What is the wettest city in September in Guanacaste, Costa Rica?

Looking at our data, Sámara tops the wettest-cities list in Guanacaste, Costa Rica for September, with monthly rainfall averaging 436 mm (17 in).

What is the driest city in September in Guanacaste, Costa Rica?

In our records, Puerto Soley stands out as the driest city in Guanacaste, Costa Rica for September, averaging just 277 mm (11 in).

Interested in more climate information?

We have much more information about the climate in Guanacaste.

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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