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Temperatures in September
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Guanacaste temperatures in September

Guanacaste is a region in Costa Rica. September in has maximum daytime temperatures ranging from high in Puerto Coyote with 29°C to very high temperatures in Nicoya with 31°C. Nighttime temperatures generally drop to 23°C in Nicoya and 25°C in Puerto Coyote.

What is the temperature of the different cities in Guanacaste in September?

Explore the map below to discover average September temperatures at the top destinations in Guanacaste. For a deeper dive, simply click on any destination dot.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in September in Guanacaste?
    • According to our recent database analysis, Nicoya is the warmest city. It experiences an average maximum daytime temperature of approximately 31°C and rarely drops below 23°C during the night.

  • What is the coldest city in September in Guanacaste?
    • According to our data, Puerto Coyote holds the title for the coldest city in Guanacaste in September. It experiences maximum temperatures of approximately 29°C and drops to lows of about 25°C during the night.

  • How much sun does Guanacaste get in September?
    • Most cities enjoy a balanced amount of sunshine, with around 158 hours of sunlight anticipated in Tamarindo. This ensures the days are neither too dim nor excessively sunny.

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