Santamaria Weather in September

September in Santamaria brings high temperatures, with daytime highs of 26°C (79°F) and nights around 18°C (64°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Santamaria in September

Santamaria is in the rainy season in September, with rain on around 23 days and an average of 665 mm (26 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Santamaria in September

Temperatures in Santamaria in September top out at 26°C (79°F) and drop to 18°C (64°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Santamaria in September

You can expect a moderate amount of sunlight, with approximately 147 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

Wind Speed in Santamaria in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

September in Santamaria has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Costa Rica, check out our Santamaria's climate page.

Santamaria Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 78%  

Precipitation 665 mm (26 in)  

Rainy days 23 days  

Humidity 86%  

Windspeed 3 m/s (6 knots)  

Sunshine 147 hours  

Percentage Sunshine  

What to Wear in Santamaria in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Santamaria in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our Santamaria's climate page.

More climate data for Santamaria

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Santamaria climate overview or explore weather in Costa Rica.