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Sámara Weather in September
September in Sámara typically sees daytime highs of 29°C (84°F) and nighttime lows of 24°C (75°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Sámara in September
As part of the rainy season, Sámara sees around 23 days of rain in September, with an average of 436 mm (17 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Sámara in September
Expect highs of 29°C (84°F) in Sámara in September, with nights dropping to around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Sámara. Our weather planner can help you explore destinations with more pleasant weather conditions.
Sámara Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
76%
Precipitation
436 mm (17 in)
Rainy days
23 days
Sámara Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sámara - and find the best time to visit.
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Sámara typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Sámara in September
Browse day-by-day weather records for Sámara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sámara historical weather extremes in September
Based on weather observations in Sámara between 1996 and 2026, these are the recorded extremes during September.
- The hottest September day on record in Sámara reached 37°C (99°F) (September 9, 2026).
- The coldest September day was on September 4, 2008, with a maximum of 24°C (75°F).
- Nighttime temperatures dropped to 20°C (68°F) on September 25, 2006, marking the coldest September night on record.
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 Sámara 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.
What To Do in Sámara in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Sámara 3-Day Forecast
More climate data for Sámara
See the full Sámara 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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