Saarlouis Weather in September

Saarlouis in September averages 20°C (68°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Saarlouis in September

You can expect rain on around 12 days based on historical patterns, with 77 mm (3 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Saarlouis in September

The temperature in Saarlouis in September is excellent. Daytime highs reach 20°C (68°F), with nights dropping to 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Saarlouis in September

The area enjoys a moderate level of sunlight, with around 155 hours. It's a good balance between sunny and cloudy days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Saarlouis.