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Mal País Weather in September
September in Mal País brings high temperatures, with highs of 29°C (84°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Mal País in September
Mal País is in the rainy season in September, with rain on around 22 days and an average of 384 mm (15 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Mal País in September
September in Mal País brings typical temperatures with highs around 29°C (84°F) and lows of 25°C (77°F). This kind of day-to-night contrast is typical for this time of year. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Mal País in September
The month brings about 159 hours of sunlight, offering a comfortable mix of sun and rainy moments.September in Mal País 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.
Mal País Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
75%
Precipitation
384 mm (15 in)
Rainy days
22 days
Sunshine
159 hours *
Percentage Sunshine
*
* Data from: Puntarenas, Costa Rica (52 KM, 32 Miles).
Mal País Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mal País - and find the best time to visit.
Historical weather records for Mal País in September
Browse day-by-day weather records for Mal País spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mal País historical weather extremes in September
According to our 19 years of weather records for Mal País, the following extremes were recorded between 2006 and 2025.
- On September 23, 2023, temperatures climbed to 29°C (84°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 25°C (77°F), recorded on September 25, 2010.
- Mal País registered its coldest September night on September 21, 2006, with temperatures dropping to 23°C (73°F).
- The wettest September day on record brought 184 mm (7.2 in) of precipitation to Mal País (September 19, 2024).
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 Mal País in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Mal País in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Mal País 3-Day Forecast
More climate data for Mal País
See the full Mal País climate overview or explore weather in Costa Rica.
Popular in September
Where to go in September - average daytime high across popular destinations.
Tamarindo
30°C (86°F) Cahuita29°C (84°F) Santa Teresa29°C (84°F) Herradura28°C (82°F) Puerto Viejo de Talamanca29°C (84°F) Fortuna29°C (84°F) Jacó28°C (82°F) San José24°C (75°F) Bucket list
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