Carrillo weather in September (Guanacaste, Costa Rica)
What can you expect from the weather in Carrillo during September? Check out this comprehensive weather guide.
In September, Carrillo generally has high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 29°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 24°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.
Carrillo in September falls under the rainy season with heavy rainfall, averaging around 429 mm for the month. When we look at the climate data from the last 30 years, we can expect around 23 days of rain.
The area experiences a moderate amount of sunshine, with approximately 159 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 Carrillo. January, February and March typically offer the best circumstances. While May, June, July, August, September and October tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Carrillo climate page with graphs.
Carrillo, monthly averages in September
Min Temperature
24°C
Max Temperature
29°C
Chance of Rain
76%
Precipitation
429 mm
Rainy days
23 days
Sunshine
159 hours *
Percentage Sunshine
*
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Carrillo 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.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Carrillo.
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.
