Puerto Viejo de Talamanca Weather in September
Puerto Viejo de Talamanca in September averages 29°C (84°F) during the day and 24°C (75°F) at night. September is part of the rainy season, so frequent rainfall is typical.
Rainfall in Puerto Viejo de Talamanca in September
As part of the rainy season, Puerto Viejo de Talamanca sees around 22 days of rain in September, with an average of 309 mm (12 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Puerto Viejo de Talamanca in September
Daytime temperatures in Puerto Viejo de Talamanca reach 29°C (84°F) in September, dropping to 24°C (75°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Puerto Viejo de Talamanca in September
The area enjoys a balanced 156 hours of sunlight, ensuring it's neither too rainy nor too sunny.September in Puerto Viejo de Talamanca can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, 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 Puerto Viejo de Talamanca's climate page.
Puerto Viejo de Talamanca Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
72%
Precipitation
309 mm (12 in)
Rainy days
22 days
Humidity
85% *
Sunshine
156 hours *
Percentage Sunshine
*
Daily Historical Temperatures
41-year average (1977-2025)
Based on our historical records, temperatures in Puerto Viejo de Talamanca typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
41-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Puerto Viejo de Talamanca in September
Browse day-by-day weather records for Puerto Viejo de Talamanca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Viejo de Talamanca historical weather extremes in September
Our historical data for Puerto Viejo de Talamanca spans 2002 to 2025, revealing these weather extremes.
- The warmest day in September was on September 2, 2008, with a maximum of 35°C (95°F).
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 6, 2005.
- The lowest overnight temperature recorded in September was 18°C (64°F) (September 27, 2020).
- The wettest day in September Puerto Viejo de Talamanca was on September 10, 2015 with 95 mm (3.7 in) of precipitation.
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
What to Wear in Puerto Viejo de Talamanca in September
Warm but pleasant conditions in Puerto Viejo de Talamanca 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Puerto Viejo de Talamanca 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 Puerto Viejo de Talamanca's climate page.
Temperature Rainfall Sunshine Humidity
See the full Puerto Viejo de Talamanca climate overview or explore weather in Costa Rica.
