The temperatures in Saint Valery Sur Somme in September are usually low and can range between 12°C and 19°C.
You can expect about 3 to 8 days of rain in Saint Valery Sur Somme 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 Saint Valery Sur Somme in September 2026.
If you’re planning to visit Saint Valery Sur Somme in the near future, we highly recommend that you review the 14 day weather forecast for Saint Valery Sur Somme before you arrive.
Temperatures
19° / 12°
Rainy Days
4
Snowy Days
0
Dry Days
26
Rainfall
67
mm
Sun Hours
9.7
Hrs
