Allschwil Weather in September

Allschwil in September sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 98 mm (3.9 in) on average, so pack waterproofs just in case.

Rainfall in Allschwil in September

Historically, the month has about 13 days of rain, averaging 98 mm (3.9 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Allschwil in September

Allschwil in September is worth a visit. The temperature is excellent, with 21°C (70°F) during the day and 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Allschwil 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 your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Allschwil.