ClimateForecastSeptemberOctober >>

Guachipelín weather in September (Guanacaste, Costa Rica)

Planning a trip to Guachipelín in September? Here's what the weather might have in store during this month.

In September, Guachipelín generally has very 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 22°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

Guachipelín in September falls under the rainy season with heavy rainfall, averaging around 359 mm for the month. It records the year's peak rainfall, often coming down quite heavily. We recommend bringing a poncho, which will keep you dry. When we look at the climate data from the last 30 years, we can expect around 24 days of rain.

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

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

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

 

Guachipelín, monthly averages in September

Min TemperatureMin Temperature 22°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 79%  
PrecipitationPrecipitation 359 mm  
Rainy daysRainy days 24 days  
HumidityHumidity 86% *  
SunshineSunshine 158 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Liberia, Costa Rica (14 KM, 8 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 Guachipelín 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
6/10
Outdoor sports
7/10

Interested in more climate information?

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

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.