Manuel Antonio Weather in September

Manuel Antonio in September sees high daytime temperatures of 28°C (82°F) and nighttime lows of 23°C (73°F). As part of the rainy season, showers are frequent and often heavy. Budget around 832 mm (33 in) of rainfall for the month.

Rainfall in Manuel Antonio in September

As part of the rainy season, Manuel Antonio sees around 22 days of rain in September, with an average of 832 mm (33 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 Manuel Antonio in September

Daytime temperatures in Manuel Antonio reach 28°C (82°F) in September, dropping to 23°C (73°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Manuel Antonio in September

The area enjoys a moderate level of sunlight, with around 153 hours. It's a good balance between sunny and rainy days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Manuel Antonio. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Manuel Antonio's climate page.

Manuel Antonio Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 73%  

Precipitation 832 mm (33 in)  

Rainy days 22 days  

Humidity 83% *  

Sunshine 153 hours *  

Percentage Sunshine *  

* Data from: Quepos, Costa Rica (2 KM, 1 Miles).

What to Wear in Manuel Antonio 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Manuel Antonio 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 Manuel Antonio's climate page.

More climate data for Manuel Antonio

Temperature Rainfall Sunshine Humidity

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