Potrero weather in September (Guanacaste, Costa Rica)

How is the weather in Potrero in September? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Potrero generally has high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 30°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 25°C.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Potrero in September falls under the rainy season with heavy rainfall, averaging around 285 mm for the month. Rain is expected on roughly 23 days.

The area enjoys a balanced 158 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Potrero. January, February, March, April and December typically offer the most optimal weather. In contrast, May, June, September and October tend to have less optimal conditions.

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

 

Potrero, monthly averages in September

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 78%  
PrecipitationPrecipitation 285 mm  
Rainy daysRainy days 23 days  
HumidityHumidity 86% *  
SunshineSunshine 158 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Liberia, Costa Rica (40 KM, 25 Miles).

Where to go in Costa Rica in September

Find out more about the weather in Costa Rica in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
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 Potrero in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Potrero.

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 climate conditions. Find out where to go with our weather planner.