Bolzano weather in September
September in Bolzano: warm, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Bolzano · #40 of 897 destinations to visit in September · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bolzano in September
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Bolzano climate normals — September
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 67 mm / 2.6 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.5 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Bolzano in September — FAQ
- Is September a good time to visit Bolzano?
- September in Bolzano: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Bolzano on SeasonMap's comfort score (94/100).
- What is the weather like in Bolzano in September?
- In September, Bolzano averages a daily high of 24.1°C and a low of 14.8°C, with about 66.6 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Bolzano in September?
- Bolzano has a mean US Air Quality Index of about 39 in September.