Nuevo Arenal weather in September (Guanacaste, Costa Rica)
What should you pack for a trip to Nuevo Arenal in September? Explore our page to find a thorough overview of this month's weather conditions.
Temperatures
In September, Nuevo Arenal typically experiences 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. Temperatures gently drop to a more temperate 22°C. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.
Precipitation
Nuevo Arenal in September falls under the rainy season with heavy rainfall, averaging around 303 mm for the month. Past climate data indicates that roughly 24 days will see rain.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Nuevo Arenal. January and February generally stand out with the best circumstances. While May, June, September and October tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Nuevo Arenal climate page with graphs.
Nuevo Arenal, monthly averages in September
Min Temperature
22°C
Max Temperature
29°C
Chance of Rain
78%
Precipitation
303 mm
Rainy days
24 days
Humidity
88% *
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.
perfect weather
pleasant
tolerable
unpleasant
poor
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.
Interested in more climate information?
This site provides you with all the information you need about the climate in Nuevo Arenal.
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.
