Colleville-sur-Mer Weather in September

September in Colleville-sur-Mer averages 20°C (68°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 64 mm (2.5 in) on average. An umbrella is a good idea.

Rainfall in Colleville-sur-Mer in September

Historically, September sees about 13 days of rain, with a monthly average of 64 mm (2.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Colleville-sur-Mer in September

If you're visiting Colleville-sur-Mer in September, expect excellent temperatures with highs of 20°C (68°F) and overnight lows of 13°C (55°F). This month falls in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Colleville-sur-Mer in September

The area experiences a moderate amount of sunshine, with approximately 166 hours of sunlight expected. This means a decent mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.