Barú
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Barú Weather in September

With daytime temperatures of 26°C (79°F) and nighttime lows of 21°C (70°F), September in Barú brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Barú in September

As part of the rainy season, Barú sees around 22 days of rain in September, with an average of 835 mm (33 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Barú in September

Expect highs of 26°C (79°F) in Barú in September, with nights dropping to around 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Barú in September

The area enjoys a balanced 153 hours of sunlight, ensuring it's neither too rainy nor too sunny.

September in Barú has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Barú Temperature in September

Min Temperature
21°C (70°F)
Max Temperature
26°C (79°F)
Chance of Rain
74%
Precipitation
835 mm (33 in)
Rainy days
22 days
Humidity
83% *
Sunshine
153 hours *
Percentage Sunshine
*
* Data from: Quepos, Costa Rica (39 KM, 24 Miles).

Barú Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Barú - and find the best time to visit.

Best Places in Costa Rica in September

Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Barú in September

Warm but pleasant conditions in Barú in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

Barú 3-Day Forecast

More climate data for Barú

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.