The temperatures in Asti in September are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Asti during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Asti in September 2025.
If you’re planning to visit Asti in the near future, we highly recommend that you review the 14 day weather forecast for Asti before you arrive.
Temperatures
25° / 14°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
116
mm
Sun Hours
11.2
Hrs