Biel/Bienne District (Biel/Bienne)
September
Weather in Biel/Bienne District for September 2026
Your guide to Biel/Bienne District weather in September - trends and predictions
Until now, September 2026 in Biel/Bienne District has been nearly identical to the historical average, with a temperature of 21.4 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Biel/Bienne District predicts a temperature of 18.4 °C, which is cooler than the historical average.
In general, the average temperature in Biel/Bienne District at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.1 °C by the end of September.
The climate of Biel/Bienne District in September is notably wet, with an average of 14 rainy days, and a total of 128.8 mm of precipitation.
Temperatures
Rain 🌧️
16
Dry days
14
Rainy days
0
Snow days
20°/9°
Temperatures
10 km/h
Avg max wind
80 %
Avg humidity
Biel/Bienne District Weather September
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Temperatures trend during September in Biel/Bienne District
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September weather in Biel/Bienne District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 22° /12° | 5.5 mm | 6 | |
| 2 Sept. |  Sunny | 23° /11° | 3.5 mm | 5 | |
| 3 Sept. | Partly cloudy | 24° /12° | 2.7 mm | 6 | |
| 4 Sept. |  Mist | 24° /13° | 7.2 mm | 6 | |
| 5 Sept. |  Light rain shower | 22° /12° | 4.2 mm | 5 | |
| 6 Sept. | Sunny | 24° /11° | 0 mm | 6 | |
| 7 Sept. | Sunny | 27° /12° | 0.1 mm | 6 | |
| 8 Sept. | Sunny | 25° /14° | 3.1 mm | 5 | |
| 9 Sept. |  Moderate or heavy rain shower | 19° /11° | 11.5 mm | 4 | |
| 10 Sept. | Sunny | 21° /9° | 1.2 mm | 5 | |
| 11 Sept. | Partly cloudy | 20° /10° | 5 mm | 5 | |
| 12 Sept. |  Thundery outbreaks possible | 21° /9° | 1.2 mm | 5 | |
| 13 Sept. | Light rain shower | 18° /9° | 4.4 mm | 4 | |
| 14 Sept. | Patchy rain possible | 19° /10° | 4.2 mm | 4 | |
| 15 Sept. | Mist | 22° /9° | 0.7 mm | 5 | |
| 16 Sept. | Light rain shower | 19° /9° | 1 mm | 4 | |
| 17 Sept. | Partly cloudy | 19° /8° | 0.2 mm | 4 | |
| 18 Sept. | Moderate or heavy rain shower | 19° /8° | 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 shower | 22° /9° | 10.4 mm | 5 | |
| 22 Sept. | Sunny | 17° /8° | 0 mm | 4.7 | |
| 23 Sept. | Sunny | 19° /8° | 0 mm | 4.6 | |
| 24 Sept. | Sunny | 18° /11° | 0 mm | 4.2 | |
| 25 Sept. |  Overcast | 19° /10° | 0 mm | 4.6 | |
| 26 Sept. | Sunny | 22° /11° | 0 mm | 6 | |
| 27 Sept. | Overcast | 24° /15° | 0 mm | 6 | |
| 28 Sept. | Overcast | 23° /15° | 0 mm | 6 | |
| 29 Sept. | Overcast | 22° /15° | 0 mm | 5 | |
| 30 Sept. | Patchy rain possible | 20° /11° | 10.1 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Biel/Bienne District 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 District forecast closer to your planned date for the most up-to-date weather information.
Change Month
Biel/Bienne District in September - FAQ
What are the expected maximum and minimum temperatures in Biel/Bienne District during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Biel/Bienne District during September?
Significant rainfall exceeding 128.8 mm is expected in Biel/Bienne District during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Biel/Bienne District during September?
The average wind speed in Biel/Bienne District during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Biel/Bienne District
Explore the daily rainfall trends and prepare for Biel/Bienne Districts September weather 💧
Typically, Biel/Bienne District has 14 rainy days in September with a total of 128.8 mm of rainfall.
UV exposure in Biel/Bienne District during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Biel/Bienne District?Get accurate weather forecasts for Biel/Bienne District, located at latitude 47.137 and longitude 7.246. Stay updated with localized weather information tailored for Biel/Bienne District.
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