Matapalo Weather in September
With daytime temperatures of 27°C (81°F) and nighttime lows of 22°C (72°F), September in Matapalo 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 Matapalo in September
As part of the rainy season, Matapalo sees around 22 days of rain in September, with an average of 853 mm (34 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Matapalo in September
Matapalo in September gets highs of 27°C (81°F) during the day and drops to 22°C (72°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 22°C (72°F), which is comfortable for most people.
Sunshine in Matapalo in September
The area enjoys a balanced 153 hours of sunlight, ensuring it's neither too rainy nor too sunny.September in Matapalo 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 Matapalo's climate page.
Matapalo Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
27°C (81°F)
Chance of Rain
73%
Precipitation
853 mm (34 in)
Rainy days
22 days
Humidity
83% *
Sunshine
153 hours *
Percentage Sunshine
*
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Matapalo typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in September
Daily Historical Precipitation
44-year average (1976-2025)
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
Based on weather observations in Matapalo between 1996 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 7, 2009, with a maximum of 33°C (91°F).
- Matapalo experienced its chilliest September day on September 29, 2010, reaching only 21°C (70°F).
- The coldest night in September in Matapalo was on September 29, 2010, with a minimum of 13°C (55°F).
- The wettest day in September Matapalo was on September 27, 2019 with 166 mm (6.5 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 Matapalo in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. 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.
