When to go
valle-d-aosta in September
Across the 14 valle-d-aosta towns we hold, September averages 20 degrees by day and 10 at night, with about 11 days of rain. Measured 2020–2024.
Where to go in September
Picked by a rule, not by mood: the weather in the comfortable band, our own editorial verdict on the town, a festival that month, and a sea worth swimming in. The reason is printed under each one.
Bard
Province: Aosta Valley · 400 m
Averages 22 degrees with about 8 rain days. We list it as best in Apr–Oct.
Etroubles
Province: Aosta Valley · 1,280 m
Averages 19 degrees with about 9 rain days. We list it as best in Jun–Sep, Dec–Mar.
La Thuile
Province: Aosta Valley · 1,441 m
We list it as best in Jan–Mar, Jul–Sep. Festa della birra - La Thuile falls this month.
Valtournenche
Province: Aosta Valley · 1,524 m
We list it as best in Jun–Sep, Dec–Mar. Dezarpa of Valtournenche falls this month.
Cogne
Province: Aosta Valley · 1,534 m
We list it as best in Jun–Sep, Dec–Mar. La Devétéya de Cogne falls this month.
Ayas
Province: Aosta Valley · 1,710 m
We list it as best in Jun–Sep, Dec–Mar.
Courmayeur
Province: Aosta Valley · 1,224 m
We list it as best in Jun–Sep, Dec–Mar.
Châtillon
Province: Aosta Valley · 549 m
We list it as best in Apr–Jun, Sep–Oct.
Saint-Vincent
Province: Aosta Valley · 575 m
We list it as best in Apr–Jun, Sep–Oct.
Aymavilles
Province: Aosta Valley · 646 m
We list it as best in May–Oct.
What is on in September
3 festivals we hold a source for. Recurring events, so the month is the promise and the exact dates are the comune’s to publish.