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Guanacaste Costa Rica
Precipitation in September
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September Rainfall Precipitation in Guanacaste

Guanacaste is a region in Costa Rica. In September precipitation ranges from heavy in Puerto Soley with 277 mm of rainfall to heavy in Sámara with 436 mm of rainfall.

Where and how much does it rain in Guanacaste in September?

Find the average total precipitation in September for the most popular destinations in Guanacaste on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Guanacaste receive in September?
    • In September, Guanacaste 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).

  • What is the wettest city in September in Guanacaste?
    • According to our data the wettest location is Sámara with an average precipitation of 436 mm.

  • What is the driest city in September in Guanacaste?
    • Among all locations in our dataset, Puerto Soley has the lowest average precipitation at 277 mm.

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