Biel/Bienne
September
Weather in Biel/Bienne for September 2027
Your guide to Biel/Bienne weather in September - trends and predictions
In general, the average temperature in Biel/Bienne at the beginning of September is 23.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.2 °C by the end of September.
The climate of Biel/Bienne in September is notably wet, with an average of 12 rainy days, and a total of 102.6 mm of precipitation.
Is September a good time to visit Biel/Bienne? check out the best time to travel to Biel/Bienne page.
Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
20°/10°
Temperatures
10 km/h
Avg max wind
76 %
Avg humidity
Biel/Bienne Weather September
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Temperatures trend during September in Biel/Bienne
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September weather in Biel/Bienne day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 22° /12° | 5.5 mm | 6 | |
| 2 Sept. | Light rain | 23° /12° | 3.5 mm | 5 | |
| 3 Sept. | Light rain | 24° /13° | 2.7 mm | 6 | |
| 4 Sept. | Light rain | 24° /14° | 7.2 mm | 6 | |
| 5 Sept. | Light rain | 22° /13° | 4.2 mm | 5 | |
| 6 Sept. |  Sunny | 24° /11° | 0 mm | 6 | |
| 7 Sept. | Sunny | 26° /13° | 0.1 mm | 6 | |
| 8 Sept. | Light rain | 24° /14° | 3.1 mm | 5 | |
| 9 Sept. |  Moderate rain | 19° /12° | 11.5 mm | 4 | |
| 10 Sept. |  Patchy rain possible | 21° /10° | 1.2 mm | 5 | |
| 11 Sept. | Light rain | 20° /11° | 5 mm | 5 | |
| 12 Sept. |  Thundery outbreaks possible | 20° /10° | 1.2 mm | 5 | |
| 13 Sept. | Light rain | 18° /9° | 4.4 mm | 4 | |
| 14 Sept. | Light rain | 18° /10° | 4.2 mm | 4 | |
| 15 Sept. |  Mist | 22° /10° | 0.7 mm | 5 | |
| 16 Sept. | Light rain shower | 19° /10° | 1 mm | 4 | |
| 17 Sept. |  Partly cloudy | 18° /8° | 0.2 mm | 4 | |
| 18 Sept. | Light rain | 19° /9° | 4.1 mm | 4 | |
| 19 Sept. | Patchy rain possible | 21° /9° | 0.3 mm | 5 | |
| 20 Sept. | Patchy rain possible | 23° /10° | 0.4 mm | 5 | |
| 21 Sept. | Light rain | 21° /9° | 7.8 mm | 4 | |
| 22 Sept. | Light rain | 17° /8° | 6.3 mm | 4 | |
| 23 Sept. | Light rain | 15° /7° | 4.4 mm | 3 | |
| 24 Sept. | Sunny | 16° /7° | 0.6 mm | 3 | |
| 25 Sept. | Sunny | 18° /7° | 0.4 mm | 4 | |
| 26 Sept. | Moderate rain | 18° /7° | 18.9 mm | 4 | |
| 27 Sept. | Patchy rain possible | 19° /8° | 1.9 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /7° | 1.4 mm | 3 | |
| 29 Sept. | Sunny | 20° /8° | 0 mm | 4 | |
| 30 Sept. | Sunny | 19° /9° | 0.4 mm | 4 | |
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Important Notice
Our weather forecast for Biel/Bienne in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Biel/Bienne forecast closer to your planned date for the most up-to-date weather information.
Change Month
Biel/Bienne in September - FAQ
What are the expected maximum and minimum temperatures in Biel/Bienne during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Biel/Bienne during September?
Significant rainfall exceeding 102.6 mm is expected in Biel/Bienne during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Biel/Bienne during September?
The average wind speed in Biel/Bienne during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Biel/Bienne
Explore the daily rainfall trends and prepare for Biel/Biennes September weather 💧
Typically, Biel/Bienne has 12 rainy days in September with a total of 102.6 mm of rainfall.
UV exposure in Biel/Bienne during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Biel/Bienne?Get accurate weather forecasts for Biel/Bienne, located at latitude 47.137 and longitude 7.246. Stay updated with localized weather information tailored for Biel/Bienne.
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