SeasonMapMilan vs Siena in September
Milan and Siena are nearly tied in September — 87 vs 90 on SeasonMap's comfort score. Milan is warm, rainy; Siena is warm, rainy, clean air.
Milan vs Siena — September climate, side by side
| Milan | Siena | |
|---|---|---|
| Comfort score | 87/100 (A) | 90/100 (S) |
| Feels-like high | 27°C | 25°C |
| Avg high / low | 25° / 15° | 25° / 15° |
| Rainfall | 123 mm | 93 mm |
| Rainy days | 11 | 9 |
| Humidity | 74% | 71% |
| Air quality (AQI) | 64 | 41 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Milan vs Siena in September — FAQ
- Is September better in Milan or Siena?
- Milan and Siena are nearly tied in September — 87 vs 90 on SeasonMap's comfort score. Milan is warm, rainy; Siena is warm, rainy, clean air.
- What is the weather like in Milan vs Siena in September?
- In September, Milan averages 25°C high / 15°C low with about 123 mm of rain; Siena averages 25°C high / 15°C low with about 93 mm.