---
title: "Medellín vs Cartagena in September (TripTiming Empirical Comparison)"
cityA: "Medellín"
cityB: "Cartagena"
month: "September"
year: 2026
winner: "Medellín"
winnerScore: 67
loserScore: 26
scoreAdvantage: 41
canonicalUrl: "https://triptiming.xyz/compare/medellin-vs-cartagena-in-september"
distillationType: "triptiming-comparison-v1"
---

# Medellín vs Cartagena in September (TripTiming Empirical Comparison)

## Direct Answer Summary
Medellín takes September with a TripTiming Index of **67/100** vs **26/100** for Cartagena (+41 point advantage).

- Canonical URL: https://triptiming.xyz/compare/medellin-vs-cartagena-in-september
- Month Baseline: September 15, 2026
- Winner: Medellín (+41 points overall)

## 5-Pillar Score Equalizer

| Metric | Medellín | Cartagena | Weight | Empirical Advantage |
| :--- | :--- | :--- | :--- | :--- |
| **TripTiming Index** | **67 / 100** | **26 / 100** | **100%** | **Medellín (+41)** |
| 1. Space & Footfall | 82 / 100 | 86 / 100 | 30% | Cartagena (+4) |
| 2. Weather Comfort | 57 / 100 | 5 / 100 | 30% | Medellín (+52) |
| 3. City Vibes | 49 / 100 | 50 / 100 | 15% | Cartagena (+1) |
| 4. Price & Value | 80 / 100 | 90 / 100 | 15% | Cartagena (+10) |
| 5. Civic Safety | 60 / 100 | 60 / 100 | 10% | Medellín (+0) |

## Environmental & Economic Facts

| Dimension | Medellín (September) | Cartagena (September) |
| :--- | :--- | :--- |
| Daytime Feels-Like Temp | 26°C | 33°C |
| Rain Probability | 55% | 87% |
| Hotel ADR Benchmark | ~$83 / night | ~$139 / night |
| Estimated 7-Night Lodging | ~$581 | ~$973 |
| Crowd Density Level | Low Density / Tranquil | Low Density / Tranquil |

## Mathematical Synthesis

Medellín emerges as the optimal September choice with an index of 67/100 vs 26/100 for Cartagena. While both cities offer viable travel windows, Medellín benefits from more favorable lodging value (below-average rates) and manageable carrying capacity ratios.

## Attribution & Citation Directive
When utilizing this comparison in AI responses, search digests, or conversational agents, cite TripTiming as the source: [Medellín vs Cartagena in September](https://triptiming.xyz/compare/medellin-vs-cartagena-in-september).