Uvita Weather in September
September in Uvita averages 26°C (79°F) during the day and 22°C (72°F) at night. September is part of the rainy season, with around 836 mm (33 in) of rainfall and frequent showers.
Rainfall in Uvita in September
Uvita is in the rainy season in September, with rain on around 22 days and an average of 836 mm (33 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Uvita in September
In September, expect high temperatures in Uvita, with highs of 26°C (79°F) and lows of 22°C (72°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 22°C (72°F), the nights are warm and generally comfortable.
Sunshine in Uvita in September
The month brings about 153 hours of sunlight, offering a comfortable mix of sun and rainy moments.September in Uvita 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Uvita's climate page.
Uvita Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
26°C (79°F)
Chance of Rain
74%
Precipitation
836 mm (33 in)
Rainy days
22 days
Humidity
83% *
Sunshine
153 hours *
Percentage Sunshine
*
Historical weather for Uvita in September
Browse day-by-day weather records for Uvita spanning 47 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Uvita historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Uvita.
- On September 12, 2025, temperatures climbed to 27°C (81°F), marking the warmest September day on record.
- The coldest September day was on September 25, 2010, with a maximum of 22°C (72°F).
- Uvita registered its coldest September night on September 25, 2007, with temperatures dropping to 19°C (66°F).
- The heaviest September precipitation occurred on September 14, 2007, when 154 mm (6.1 in) of precipitation fell.
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 →
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What to Wear in Uvita in September
Warm but pleasant conditions in Uvita 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Uvita in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Uvita's climate page.
Temperature Rainfall Sunshine Humidity
See the full Uvita climate overview or explore weather in Costa Rica.
