Rome vs Siena in September
Siena is the better pick in September — 90 vs 83 on SeasonMap's comfort score. Siena is warm, rainy, clean air, while Rome is hot, rainy.
Rome vs Siena — September climate, side by side
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Month by month
Rome vs Siena in September — FAQ
- Is September better in Rome or Siena?
- Siena is the better pick in September — 90 vs 83 on SeasonMap's comfort score. Siena is warm, rainy, clean air, while Rome is hot, rainy.
- What is the weather like in Rome vs Siena in September?
- In September, Rome averages 28°C high / 17°C low with about 97 mm of rain; Siena averages 25°C high / 15°C low with about 93 mm.