Aosta Weather in September

Aosta in September averages 13°C (55°F) during the day and 3°C (37°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Aosta in September

Records from the past 30 years suggest around 14 days of rain, with 106 mm (4.2 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Aosta in September

Aosta in September gets highs of 13°C (55°F) during the day and drops to 3°C (37°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Aosta in September

Enjoy a sunny month with about 190 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Aosta. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Aosta Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 45%  

Precipitation 106 mm (4.2 in)  

Rainy days 14 days  

Sunshine 190 hours *  

Percentage Sunshine *  

* Data from: Chamonix-Mont-Blanc, France (40 KM, 25 Miles).

What to Wear in Aosta in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Aosta in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Aosta

Temperature Rainfall Sunshine

See the full Aosta climate overview or explore weather in Italy.