Weather in September in Costa Rica
Considering a trip to Costa Rica this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What is the weather like in Costa Rica in September?
September in Costa Rica generally has temperatures that range from warm to very warm, with heavy precipitation.
Temperatures
During the day temperatures vary from warm in Orosí at 23°C to very warm in Santa Cruz at 31°C. At night it cools down to 23°C in Santa Cruz and 15°C in Orosí.
Precipitation
In September, precipitation varies across different areas. From heavy rainfall in Puerto Limón with an average of 244 mm to heavy rainfall in Dominical with 879 mm.Average sunshine
The city Jacó usually sees around 159 hours of sunlight, indicating a moderately sunny period.For a closer look at September's conditions in Costa Rica, see the map below. For a more detailed look at Costa Rica's yearly weather, check out our Costa Rica climate page.
Where to go in Costa Rica in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Costa Rica?
Jacó
In September Jacó generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are poor that month.
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San José
In September San José generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 16°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Tamarindo
In September Tamarindo generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Puerto Viejo
In September Puerto Viejo generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are poor that month.
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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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Is your destination not in the list? Have a look at other destinations in Costa Rica.
Is September the best time to visit Costa Rica?
In our view, September might not be the best time to travel to Costa Rica with often poor weather in Jacó.
Generally speaking, January and February provide perfect weather in Jacó. The weather in May, June, July, August, September, October and November, on the other hand, tends to be poor.
Interested in more climate information?
We have much more information about the climate in Costa Rica.
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 travel conditions. Find out where to go with our weather planner.