Medellín weather in September
September in Medellín: hot, soaked, with clean air — a great time to visit.
#6 of 12 months in Medellín · #379 of 604 destinations to visit in September · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Medellín climate normals — September
| Daytime high | 27°C / 81°F | 🥵 hot |
|---|---|---|
| Nighttime low | 16°C / 62°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 221 mm / 8.7 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 12.2 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Medellín in September — FAQ
- Is September a good time to visit Medellín?
- September in Medellín: hot, soaked, with clean air — a great time to visit. It ranks #6 of 12 months for Medellín on SeasonMap's comfort score (75/100).
- What is the weather like in Medellín in September?
- In September, Medellín averages a daily high of 27.2°C and a low of 16.4°C, with about 220.8 mm of rain over roughly 27 rainy days.
- What is the air quality in Medellín in September?
- Medellín has a mean US Air Quality Index of about 49 in September.