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Monteverde Weather in September
Monteverde in September sees high temperatures, with highs around 28°C (82°F) and overnight lows of 21°C (70°F). With the rainy season in full effect, expect around 353 mm (14 in) of rainfall and regular showers throughout the month.
Rainfall in Monteverde in September
As part of the rainy season, Monteverde sees around 24 days of rain in September, with an average of 353 mm (14 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Monteverde in September
Daytime highs in Monteverde in September reach 28°C (82°F), with nights around 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are mild at around 21°C (70°F), which is comfortable for most people.
Sunshine in Monteverde in September
With about 159 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.September in Monteverde has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Monteverde Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
28°C (82°F)
Chance of Rain
80%
Precipitation
353 mm (14 in)
Rainy days
24 days
Sunshine
159 hours *
Percentage Sunshine
*
* Data from: Puntarenas, Costa Rica (37 KM, 23 Miles).
Monteverde Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Monteverde - and find the best time to visit.
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Monteverde typically stay consistent throughout September, with daily highs averaging around 28°C (82°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 records for Monteverde in September
Browse day-by-day weather records for Monteverde spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Monteverde historical weather extremes in September
According to our 30 years of weather records for Monteverde, the following extremes were recorded between 1996 and 2026.
- The hottest September day on record in Monteverde reached 33°C (91°F) (September 5, 1997).
- On September 29, 2010, Monteverde saw its coldest September day with temperatures maxing out at 21°C (70°F).
- Nighttime temperatures dropped to 11°C (52°F) on September 30, 2012, marking the coldest September night on record.
- The wettest September day on record brought 171 mm (6.7 in) of precipitation to Monteverde (September 27, 2019).
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 Monteverde 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! Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Monteverde 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 -
Camping6/10 -
Outdoor sports7/10
Monteverde 3-Day Forecast
More climate data for Monteverde
See the full Monteverde 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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