Saint-Omer Weather in September

In Saint-Omer, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.

Rainfall in Saint-Omer in September

Analyzing past climate data, one can expect approximately 15 days of rain, averaging 65 mm (2.6 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Saint-Omer in September

September tends to be one of the excellent months in Saint-Omer, with 20°C (68°F) in the afternoon and 12°C (54°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Saint-Omer in September

The area enjoys a moderate level of sunlight, with around 152 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Saint-Omer.