ClimateForecastSeptemberOctober >>

Nicoya weather in September (Guanacaste, Costa Rica)

Looking to travel to Nicoya in September? This guide provides all the details you need.

Temperatures

In September, Nicoya typically experiences very high temperatures and heavy rainfall. Daytime temperatures hover around 31°C, while nights can cool down to about 23°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.

Precipitation

Nicoya in September falls under the rainy season with heavy rainfall, averaging around 406 mm for the month. When we look at the climate data from the last 30 years, we can expect around 23 days of rain.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 158 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Nicoya. January typically offers the most agreeable circumstances. On the other hand, April, May, June, July, August, September and October tend to be characterized by conditions that may not be as optimal.

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

 

Nicoya, monthly averages in September

Min TemperatureMin Temperature 23°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 76%  
PrecipitationPrecipitation 406 mm  
Rainy daysRainy days 23 days  
HumidityHumidity 86% *  
SunshineSunshine 158 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Liberia, Costa Rica (54 KM, 33 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.

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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?

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.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

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

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.