September Rainfall and Precipitation in San José Province
Average rainfall, rainy days and the driest cities in San José Province, Costa Rica in September.
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Best Places to Visit in San José Province in September
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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.
San José Province precipitation in September: frequently asked questions
How much rainfall does San José Province, Costa Rica receive in September?
If you're considering a trip to San José Province, Costa Rica, remember that September falls within the rainy season. With an average of 476 mm (19 in) of rain in September, San José's weather becomes notably unpredictable due to the frequent downpours.
How many days does it rain in San José Province, Costa Rica in September?
Expect around 24 days rainy days in San José during September.
Is September part of the rainy season in San José Province, Costa Rica?
Yes. September falls within the rainy season in San José Province, Costa Rica. Expect more frequent showers and pack accordingly.
What is the wettest city in September in San José Province, Costa Rica?
In our database, San Isidro stands out as having an average rainfall level of 655 mm (26 in), making it the wettest location.
What is the driest city in September in San José Province, Costa Rica?
Based on our database, Puriscal sees the least rainfall in San José Province, Costa Rica in September, with around 330 mm (13 in) on average.
Interested in more climate information?
We have much more information about the climate in San José Province.
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