Alajuela weather in September
Planning a getaway to Alajuela this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:
What is the weather like in Alajuela in September?
Alajuela is a region in Costa Rica. September in Alajuela generally has temperatures that range from warm to very warm, with heavy precipitation.
During the day temperatures vary from warm in Birrí at 25°C to very warm in Los Chiles at 31°C. At night it cools down to 23°C in Los Chiles and 17°C in Birrí.
In September, precipitation varies across different areas. From heavy rainfall in Playa el Jobo with an average of 262 mm to heavy rainfall in Atenas with 482 mm. Fortuna enjoys a balanced 159 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
For a closer look at September's conditions in Alajuela, see the map below. For a more detailed look at Alajuela's yearly weather, check out our Alajuela climate page.
Where to go in Alajuela in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Alajuela?
Fortuna
In September Fortuna generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Alajuela
In September Alajuela generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 17°C and heavy monthly rainfall. So on average the conditions are poor that month.
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El Castillo de La Fortuna
In September El Castillo de La Fortuna generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Bijagua
In September Bijagua generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Atenas
In September Atenas generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Alajuela, in Costa Rica.
Is September the best time to visit Alajuela?
Given the typically poor weather conditions in Fortuna, September may not be the ideal time to visit Alajuela.
On average, the best time to visit Alajuela is in February and March with generally perfect weather in Fortuna. On the other hand, the weather in May, June, July, August, September, October and November tend to be poor.
Interested in more climate information?
We have much more information about the climate in Alajuela.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed 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.