Barrio Palermo Weather in September

Barrio Palermo in September averages 30°C (86°F) during the day and 22°C (72°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Barrio Palermo in September

Barrio Palermo is in the rainy season in September, with rain on around 22 days and an average of 293 mm (12 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Barrio Palermo in September

In September, Barrio Palermo sees very high temperatures, with highs of 30°C (86°F). Nights drop to around 22°C (72°F). For most visitors, the main thing to prepare for is the heat during the day. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.

Sunshine in Barrio Palermo in September

The month brings about 149 hours of sunlight, offering a comfortable mix of sun and rainy moments.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Barrio Palermo. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Barrio Palermo Temperature in September

Min Temperature 22°C (72°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 74%  

Precipitation 293 mm (12 in)  

Rainy days 22 days  

Humidity 85% *  

Sunshine 149 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (61 KM, 38 Miles).

What to Wear in Barrio Palermo 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Barrio Palermo in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Barrio Palermo

Temperature Rainfall Sunshine Humidity

See the full Barrio Palermo climate overview or explore weather in Costa Rica.