Valle d'Aosta Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Valle d'Aosta, Italy in September.

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Courmayeur Breuil-Cervinia Cogne Antey-Saint-André

Planning a getaway to Valle d'Aosta, Italy this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Valle d'Aosta in September

Valle d'Aosta, Italy is a region in Italy. September in Valle d'Aosta generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to heavy.

Temperatures

During the day the temperature is cold in Breuil-Cervinia at 11°C (52°F) and mild in Pont-Saint-Martin at 18°C (64°F). As night falls, temperatures generally drop to 8°C (46°F) in Pont-Saint-Martin and 2°C (36°F) in Breuil-Cervinia.

For specific regional insights in Valle d'Aosta, Italy, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Morgex with an average of 98 mm (3.9 in) to heavy rainfall in Gressoney-la-Trinité with 171 mm (6.7 in). Based on climate data from the last 30 years, Courmayeur typically sees the least rain in this month, making it the driest month of the year.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Courmayeur sees close to 190 hours of sunlight, making it great for sun lovers.

Explore Valle d'Aosta by month

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

Best Places to Visit in Valle d'Aosta in September

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

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Valle d'Aosta

What is the weather like in September for some of the most popular destinations in Valle d'Aosta, Italy?

Temperature range in Valle d'Aosta (September)

Precipitation variation in Valle d'Aosta (September)

Courmayeur

In September Courmayeur generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
17°C (63°F)
13°C (55°F)
8°C (46°F)
Min temperature
7°C (45°F)
3°C (37°F)
-1°C (30°F)
Monthly sun hours
230 hours
190 hours
160 hours
Monthly rainfall
107 mm (4.2 in)
102 mm (4 in)
105 mm (4.1 in)
Monthly rainy days
17 days
15 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in Courmayeur →

Breuil-Cervinia

In September Breuil-Cervinia generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
16°C (61°F)
11°C (52°F)
6°C (43°F)
Min temperature
5°C (41°F)
2°C (36°F)
-3°C (27°F)
Monthly sun hours
187 hours
166 hours
141 hours
Monthly rainfall
139 mm (5.5 in)
137 mm (5.4 in)
130 mm (5.1 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in Breuil-Cervinia →

Cogne

In September Cogne generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
14°C (57°F)
8°C (46°F)
Min temperature
8°C (46°F)
4°C (39°F)
0°C (32°F)
Monthly sun hours
230 hours
190 hours
160 hours
Monthly rainfall
140 mm (5.5 in)
140 mm (5.5 in)
131 mm (5.2 in)
Monthly rainy days
17 days
15 days
14 days
Weather conditions
tolerable
unpleasant
poor
Climate in Cogne →

Antey-Saint-André

In September Antey-Saint-André generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
17°C (63°F)
12°C (54°F)
7°C (45°F)
Min temperature
7°C (45°F)
3°C (37°F)
-2°C (28°F)
Monthly sun hours
187 hours
166 hours
141 hours
Monthly rainfall
115 mm (4.5 in)
128 mm (5 in)
126 mm (5 in)
Monthly rainy days
16 days
14 days
13 days
Weather conditions
unpleasant
poor
poor
Climate in Antey-Saint-André →

La Thuile

In September La Thuile generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
17°C (63°F)
13°C (55°F)
8°C (46°F)
Min temperature
7°C (45°F)
3°C (37°F)
-1°C (30°F)
Monthly sun hours
230 hours
190 hours
160 hours
Monthly rainfall
106 mm (4.2 in)
104 mm (4.1 in)
106 mm (4.2 in)
Monthly rainy days
17 days
14 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in La Thuile →

Is your destination not in the list? Have a look at all destinations in Valle d'Aosta, in Italy.

Popular cities in September

Day & night temperatures, rainfall and average weather in Valle d'Aosta in September.

City Weather Day temp Night temp Rainfall
Courmayeur 13°C (55°F) 3°C (37°F) 102 mm (4 in)
Breuil-Cervinia 11°C (52°F) 2°C (36°F) 137 mm (5.4 in)
Cogne 14°C (57°F) 4°C (39°F) 140 mm (5.5 in)
Antey-Saint-André 12°C (54°F) 3°C (37°F) 128 mm (5 in)
La Thuile 13°C (55°F) 3°C (37°F) 104 mm (4.1 in)
Champoluc 12°C (54°F) 3°C (37°F) 152 mm (6 in)

Valle d'Aosta weather in September: frequently asked questions

What is the weather like in Valle d'Aosta, Italy in September?

Valle d'Aosta, Italy typically experiences poor weather in September, part of the season. Daytime highs in Courmayeur average around 13°C (55°F), and temperatures drop to about 3°C (37°F) at night.

What is the average temperature in Valle d'Aosta, Italy in September?

Average temperatures in Valle d'Aosta, Italy during September range from a nighttime low near 3°C (37°F) to a daytime high around 13°C (55°F) in Courmayeur.

Does Valle d'Aosta, Italy get a lot of rain in September?

Valle d'Aosta, Italy sees substantial rainfall in September. Courmayeur typically averages about 102 mm (4 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Valle d'Aosta, Italy?

In our opinion, September may not be the ideal time to visit Valle d'Aosta, Italy due to the typically poor weather in Courmayeur.

On average, the best time to visit Valle d'Aosta, Italy is in July with generally tolerable weather in Courmayeur. In contrast, January, February, March, April, May, September, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Valle d'Aosta.

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.

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