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San José Costa Rica
Precipitation in September
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September Rainfall Precipitation in San José

San José is a region in Costa Rica. In September precipitation ranges from heavy in Heredia with 426 mm of rainfall to heavy in San Isidro with 655 mm of rainfall.

Where and how much does it rain in San José in September?

Find the average total precipitation in September for the most popular destinations in San José 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 San José receive in September?
    • If you're considering a trip to San José, remember that September falls within the rainy season. With an average of 476 mm) of rain in September, San José's weather becomes notably unpredictable due to the frequent downpours.

  • What is the wettest city in September in San José?
    • Our data indicates that San Isidro holds the record for the most average rainfall with 655 mm.

  • What is the driest city in September in San José?
    • The driest place is Heredia with an average precipitation of 426 mm according to our data.

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    • 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.

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