Weather in September in Alajuela
Planning a trip to Alajuela this September? Here's what you need to know about the weather:
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.
Temperatures
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.For a closer look at conditions across Alajuela, refer to the map below.
Precipitation
In September, precipitation varies across different areas. From heavy rainfall in Playa el Jobo with an average of 262 mm to heavy rainfall in San Mateo with 522 mm.Average sunshine
The city Fortuna usually sees around 159 hours of sunlight, indicating a moderately sunny period.For more details on the yearly climate, visit our Alajuela climate page.
Where to go in Alajuela in September
perfect weather
pleasant
tolerable
unpleasant
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Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Alajuela's climate page.
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.
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 travel conditions. Find out where to go with our weather planner.