The temperatures in Millau in September are comfortable with low of 10°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Millau 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 Millau in September 2026.
If you’re planning to visit Millau in the near future, we highly recommend that you review the 14 day weather forecast for Millau before you arrive.
Temperatures
22° / 10°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
52
mm
Sun Hours
10.5
Hrs
