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.
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.
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).
Aosta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Aosta - and find the best time to visit.
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
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).
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.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports5/10
Aosta 3-Day Forecast
More climate data for Aosta
See the full Aosta climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most beautiful historical towns in Italy
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