Riehen Weather in September

Riehen in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 96 mm (3.8 in), so pack a rain jacket to stay dry.

Rainfall in Riehen in September

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 96 mm (3.8 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Riehen in September

September is a excellent month in Riehen, with 21°C (70°F) during the day and 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 10°C (50°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 Riehen in September

The area enjoys a moderate level of sunlight, with around 162 hours. It's a good balance between sunny and cloudy days.

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