Santa Ana Weather in September
Santa Ana in September averages 25°C (77°F) during the day and 17°C (63°F) at night. September is part of the rainy season, so frequent rainfall is typical.
Rainfall in Santa Ana in September
Santa Ana is in the rainy season in September, with rain on around 24 days and an average of 510 mm (20 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Santa Ana in September
September in Santa Ana brings typical temperatures with highs around 25°C (77°F) and lows of 17°C (63°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Santa Ana in September
The month experiences a moderate amount of sunlight, with 149 hours of sunshine. This provides a nice balance between sunshine and rain.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February and March typically offer the best weather for Santa Ana.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Santa Ana's climate page.
Santa Ana Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
25°C (77°F)
Chance of Rain
79%
Precipitation
510 mm (20 in)
Rainy days
24 days
Humidity
85% *
Sunshine
149 hours *
Percentage Sunshine
*
Best Places in Costa Rica in September
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in September →
perfect weather
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unpleasant
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What to Wear in Santa Ana in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Santa Ana in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Santa Ana's climate page.
Temperature Rainfall Sunshine Humidity
See the full Santa Ana climate overview or explore weather in Costa Rica.
