Matapalo Weather in September
September in Matapalo averages 30°C (86°F) during the day and 25°C (77°F) at night. September is part of the rainy season, with around 315 mm (12 in) of rainfall and frequent showers.
Rainfall in Matapalo in September
Matapalo is in the rainy season in September, with rain on around 23 days and an average of 315 mm (12 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Matapalo in September
Daytime highs in Matapalo in September reach 30°C (86°F), with nights around 25°C (77°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Matapalo in September
The area enjoys a balanced 158 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Matapalo. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Matapalo's climate page.
Matapalo Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
77%
Precipitation
315 mm (12 in)
Rainy days
23 days
Humidity
86% *
Sunshine
158 hours *
Percentage Sunshine
*
Daily Historical Temperatures
41-year average (1977-2025)
Based on our historical records, temperatures in Matapalo typically stay consistent throughout September, with daily highs averaging around 30°C (86°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 Matapalo in September
Browse day-by-day weather records for Matapalo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Matapalo historical weather extremes in September
The extremes listed below come from historical weather data collected in Matapalo from 1999 through 2025.
- Matapalo recorded its highest September temperature of 35°C (95°F) on September 23, 2023.
- The lowest daytime temperature in September was 25°C (77°F), recorded on September 26, 2010.
- Nighttime temperatures dropped to 20°C (68°F) on September 25, 2006, marking the coldest September night on record.
- Peak precipitation in September occurred on September 7, 2021, when 208 mm (8.2 in) of precipitation was measured.
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
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tolerable
unpleasant
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What to Wear in Matapalo 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! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Matapalo 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 Matapalo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Matapalo climate overview or explore weather in Costa Rica.
