Considering a trip to Guanacaste, Costa Rica this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What to Expect in Guanacaste in September
Guanacaste, Costa Rica is a region in Costa Rica. September in Guanacaste generally has temperatures that range from warm to very warm, with heavy precipitation.
Temperatures
The average maximum daytime temperatures vary from warm in Puerto Coyote at 29°C (84°F) to very warm in Nicoya at 31°C (88°F). Nighttime temperatures generally drop to 23°C (73°F) in Nicoya and 25°C (77°F) in Puerto Coyote. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.To learn more about the conditions in specific areas of Guanacaste, Costa Rica, check out the map below.
Precipitation
In September, precipitation varies across different areas. From heavy rainfall in Puerto Soley with an average of 277 mm (11 in) to heavy rainfall in Sámara with 436 mm (17 in).Average sunshine
Sunshine is fairly consistent across many areas. Tamarindo receives about 158 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.