Arnsberg Weather in September

September in Arnsberg averages 19°C (66°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 86 mm (3.4 in) on average. An umbrella is a good idea.

Rainfall in Arnsberg in September

Analyzing past climate data, one can expect approximately 15 days of rain, averaging 86 mm (3.4 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Arnsberg in September

Daytime temperatures in Arnsberg reach 19°C (66°F) in September, dropping to 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Arnsberg in September

The city usually sees around 175 hours of sunlight, indicating a moderately sunny period.

Should you favor a climate that's both dry and comfortably warm, June and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.