San Pedro weather in September (Costa Rica)

What kind of weather does September bring to San Pedro? Get all the weather information you need to plan your visit.

Temperatures

Typically, September in San Pedro includes high temperatures and heavy rainfall. As the day progresses, temperatures can peak at 24°C. Luckily at nightfall, they typically drop to 16°C.

Precipitation

San Pedro in September falls under the rainy season with heavy rainfall, averaging around 461 mm for the month. Historically, the month has about 24 days of rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 149 hours. It's a good balance between sunny and cloudy days.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit San Pedro. January, February and March generally stand out with the best circumstances. While May, June, July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Pedro climate page with graphs.

 

San Pedro, monthly averages in September

Min Temperature 16°C  

Max Temperature 24°C  

Chance of Rain 80%  

Precipitation 461 mm  

Rainy days 24 days  

Humidity 85% *  

Sunshine 149 hours *  

Percentage Sunshine *  

Data from: San José, Costa Rica (3 KM, 2 Miles).

Where to go 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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to San Pedro, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

7/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Pedro.

Our site offers climate and forecast data for every country in the world. Are you going to Costa Rica? On this website you can find historical weather averages for many cities in Costa Rica. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.