Temperature in The Aosta Valley in September

Daytime highs, nighttime lows and the warmest cities in the Aosta Valley, Italy this September.

The Aosta Valley, Italy, a region in Italy, experiences moderate average maximum daytime temperatures in September, ranging from 13°C (55°F) in Ollomont to 18°C (64°F) in Pont-Saint-Martin. Nighttime temperatures generally drop to 8°C (46°F) in Pont-Saint-Martin and 2°C (36°F) in Ollomont.

What is the temperature of the different cities in the Aosta Valley, Italy in September?

To get a sense of September's typical temperatures in the key spots of the Aosta Valley, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit the Aosta Valley, check out our the Aosta Valley's climate page.

See also: the Aosta Valley weather by month.

Best Places to Visit in the Aosta Valley in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Aosta Valley.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

The Aosta Valley temperatures in September: frequently asked questions

How hot does it get in the Aosta Valley, Italy in September?

Daytime temperatures in Aosta typically peak at 13°C (55°F) in September, putting it in the moderate range.

How cold does it get at night in the Aosta Valley, Italy in September?

Aosta sees nighttime lows close to 3°C (37°F) in September.

What is the warmest city in September in the Aosta Valley, Italy?

Pont-Saint-Martin tops the warmest city list in our database with average maximum daytime temperatures around 18°C (64°F) and a minimum nighttime temperature of around 8°C (46°F).

What is the coldest city in September in the Aosta Valley, Italy?

For the month of September, Ollomont is the most temperate city in the Aosta Valley, Italy based on our records. Highs average 13°C (55°F) and nighttime temperatures dip to around 2°C (36°F).

How much sun does the Aosta Valley, Italy get in September?

Aosta usually sees around 190 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in the Aosta Valley.

Weather and climate has detailed information for every country in the world. Are you going to Italy? Get detailed historical weather averages for many cities in Italy.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

The 10 most beautiful historical towns in Italy

Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.
Experience mystical Assisi

Assisi is the most famous town in Umbria and best known because of Saints Francis and Clare of Assisi. Many visitors come to see the breathtaking San Francesco basilica.
The Battle of Oranges

This is one of the most unusual festivals in Italy. The festival is held in the middle of winter during the winter carnival. The entire city of Ivrea near Turin turns into a battlefield.

The most beautiful fishing village of Italy

Portofino is the most beautiful fishing village in Italy and maybe even in the world. We absolutely recommend that you add this beautiful place to your bucket list.
Must visit in Italy →