Caño Negro Weather in September

Caño Negro in September sees very high temperatures, with highs around 30°C (86°F) and overnight lows of 23°C (73°F). With the rainy season in full effect, expect around 287 mm (11 in) of rainfall and regular showers throughout the month.

Rainfall in Caño Negro in September

As part of the rainy season, Caño Negro sees around 23 days of rain in September, with an average of 287 mm (11 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Caño Negro in September

In September, expect very high temperatures in Caño Negro, with highs of 30°C (86°F) and lows of 23°C (73°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

September in Caño Negro 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 Caño Negro's climate page.

Caño Negro Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 76%  

Precipitation 287 mm (11 in)  

Rainy days 23 days  

Humidity 88% *  

* Data from: Los Chiles, Costa Rica (17 KM, 10 Miles).

What to Wear in Caño Negro 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.

What To Do in Caño Negro in September

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

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Caño Negro's climate page.

More climate data for Caño Negro

Temperature Rainfall Humidity

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