Colón Weather in September

Thinking of visiting Colón in September? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 18°C (64°F) at night, and be prepared for the wettest month of the year.

Rainfall in Colón in September

As part of the rainy season, Colón sees around 23 days of rain in September, with an average of 556 mm (22 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Colón in September

Expect highs of 26°C (79°F) in Colón in September, with nights dropping to around 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Colón in September

The area enjoys a moderate level of sunlight, with around 147 hours. It's a good balance between sunny and rainy days.

Wind Speed in Colón 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 Colón 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 Colón's climate page.

Colón Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 77%  

Precipitation 556 mm (22 in)  

Rainy days 23 days  

Humidity 86% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 147 hours *  

Percentage Sunshine *  

* Data from: Santamaria, Costa Rica (11 KM, 7 Miles).

What to Wear in Colón in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Colón 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 Colón's climate page.

More climate data for Colón

Temperature Rainfall Sunshine Humidity Wind Speed

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