Weather in Biel in september
Climate normals based on 10 years of historical data for Biel, Schweiz.
Average high
20°C
Average low
11°C
Rainfall
95 mm
11 rainy days
Sunshine
4.3h/day
Luftfuktighet
79%
How Hot Is Biel in september?
Biel's warmth holds through September, with 20°C highs and 11°C lows. September is the steepest cool-down of the year — 5°C off August's peaks.
Sunshine Hours in september
Sun and cloud trade off in Biel's September: 4.3h of direct sun, daylight from 7:10 am to 7:40 pm.
Does It Rain In Biel In september?
Rain interrupts most days in Biel: 95mm in 11 days.
Is Biel Humid In september?
Expect heavy, oppressive air in Biel — humidity peaks at 79% on average.
Wind In Biel In september
Light breezes typical: Biel averages 11 kph wind in September.
Cloud Cover In Biel In september
Grey, cloudy days are the norm: 56% average cover in Biel.
Cities With Similar Weather In september
Weather in Biel, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 4°C / -2°C | 107mm | Details → |
| Vädret i februari | 7°C / -1°C | 73mm | Details → |
| Vädret i mars | 10°C / 1°C | 89mm | Details → |
| Vädret i april | 14°C / 4°C | 99mm | Details → |
| Vädret i maj | 17°C / 8°C | 145mm | Details → |
| Vädret i juni | 23°C / 13°C | 141mm | Details → |
| Vädret i juli | 25°C / 15°C | 116mm | Details → |
| Vädret i augusti | 25°C / 15°C | 114mm | Details → |
| Vädret i september | 20°C / 11°C | 95mm | |
| Vädret i oktober | 15°C / 7°C | 96mm | Details → |
| Vädret i november | 9°C / 2°C | 99mm | Details → |
| Vädret i december | 5°C / 0°C | 107mm | Details → |