Monteverde weather in September
September in Monteverde: nice, soaked, with clean air — a gamble, with 28 rainy days.
#11 of 12 months in Monteverde · #750 of 897 destinations to visit in September · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Monteverde in September
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Monteverde climate normals — September
| Daytime high | 24°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 307 mm / 12.1 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 12.2 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 17 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Monteverde in September — FAQ
- Is September a good time to visit Monteverde?
- September in Monteverde: nice, soaked, with clean air — a gamble, with 28 rainy days. It ranks #11 of 12 months for Monteverde on SeasonMap's comfort score (64/100).
- What is the weather like in Monteverde in September?
- In September, Monteverde averages a daily high of 23.5°C and a low of 17.9°C, with about 307.3 mm of rain over roughly 28.4 rainy days.
- What is the air quality in Monteverde in September?
- Monteverde has a mean US Air Quality Index of about 17 in September.