Altenahr Weather in September

Altenahr in September averages 19°C (66°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 Altenahr in September

Typically around 15 days of rainfall are expected, averaging 68 mm (2.7 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Altenahr in September

If you're visiting Altenahr in September, expect highs of 19°C (66°F) and overnight lows around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Altenahr in September

The area enjoys a moderate level of sunlight, with around 142 hours. It's a good balance between sunny and cloudy days.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.