Biel Weather in September

In Biel, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.

Rainfall in Biel in September

You can expect rain on roughly 13 days based on historical data, averaging 113 mm (4.4 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Biel in September

Expect highs of 20°C (68°F) in Biel in September, with nights dropping to around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. 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 Biel in September

The area enjoys a moderate level of sunlight, with around 176 hours. It's a good balance between sunny and cloudy days.

So this is a great month to visit if you prefer dry days with pleasant temperatures.