Bern-Mittelland District (Bern)
September
Weather in Bern-Mittelland District for September 2025
Your guide to Bern-Mittelland District weather in September - trends and predictions
Until now, September 2025 in Bern-Mittelland District is cooler than usual, with temperatures averaging 19.3 °C, this is -3.1 °C below the typical seasonal average.
Expect cooler weather in the next days in Bern-Mittelland District with the forecast suggesting a temperature of 19.3 °C, lower than the historical average.
In general, the average temperature in Bern-Mittelland District at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.1 °C by the end of September.
Bern-Mittelland District experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 97.1 mm.
Temperatures
Rain 🌧️
6
Dry days
24
Rainy days
0
Snow days
20°/9°
Temperatures
9 km/h
Avg max wind
79 %
Avg humidity
Bern-Mittelland District Weather September
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Temperatures trend during September in Bern-Mittelland District
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September weather in Bern-Mittelland District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 22° /9° | 4 mm | 5 | |
| 2 Sept. |  Patchy rain possible | 24° /9° | 4.7 mm | 6 | |
| 3 Sept. | Partly cloudy | 24° /10° | 3.1 mm | 6 | |
| 4 Sept. | Patchy rain possible | 24° /11° | 7.1 mm | 6 | |
| 5 Sept. |  Sunny | 23° /10° | 2.7 mm | 6 | |
| 6 Sept. | Sunny | 24° /10° | 0 mm | 6 | |
| 7 Sept. | Sunny | 26° /11° | 0.5 mm | 7 | |
| 8 Sept. | Sunny | 24° /12° | 5.1 mm | 6 | |
| 9 Sept. | Light rain shower | 21° /11° | 6.9 mm | 5 | |
| 10 Sept. | Patchy rain possible | 21° /10° | 1.6 mm | 5 | |
| 11 Sept. | Patchy rain possible | 21° /9° | 3.5 mm | 5 | |
| 12 Sept. | Patchy rain possible | 21° /8° | 1.9 mm | 5 | |
| 13 Sept. | Partly cloudy | 20° /8° | 3.5 mm | 5 | |
| 14 Sept. |  Cloudy | 19° /10° | 4.7 mm | 4 | |
| 15 Sept. |  Moderate rain at times | 20° /8° | 5 mm | 5 | |
| 16 Sept. | Patchy rain possible | 18° /9° | 0.4 mm | 0.7 | |
| 17 Sept. | Partly cloudy | 19° /7° | 0 mm | 1.3 | |
| 18 Sept. | Sunny | 25° /9° | 0 mm | 1.3 | |
| 19 Sept. | Patchy rain possible | 27° /12° | 0.2 mm | 1.4 | |
| 20 Sept. | Sunny | 27° /14° | 0 mm | 5 | |
| 21 Sept. | Patchy rain possible | 22° /13° | 1.2 mm | 4 | |
| 22 Sept. |  Moderate rain | 16° /11° | 10.6 mm | 3 | |
| 23 Sept. | Patchy rain possible | 17° /13° | 3.7 mm | 3 | |
| 24 Sept. | Patchy rain possible | 12° /7° | 2.7 mm | 3 | |
| 25 Sept. | Patchy rain possible | 15° /4° | 1.2 mm | 2 | |
| 26 Sept. | Sunny | 15° /2° | 0 mm | 3 | |
| 27 Sept. | Sunny | 18° /4° | 0 mm | 3 | |
| 28 Sept. | Patchy rain possible | 20° /6° | 0.5 mm | 3 | |
| 29 Sept. | Patchy rain possible | 17° /6° | 3.1 mm | 4 | |
| 30 Sept. | Patchy rain possible | 16° /6° | 0.4 mm | 4 | |
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Important Notice
Our weather forecast for Bern-Mittelland 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 Bern-Mittelland District forecast closer to your planned date for the most up-to-date weather information.
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Bern-Mittelland District in September - FAQ
What are the expected maximum and minimum temperatures in Bern-Mittelland 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 Bern-Mittelland District during September?
Moderate rainfall is anticipated in Bern-Mittelland District during September, with a total of 97.1 mm spread over approximately 24 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bern-Mittelland District during September?
The average wind speed in Bern-Mittelland District during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bern-Mittelland District
Explore the daily rainfall trends and prepare for Bern-Mittelland Districts September weather 💧
UV exposure in Bern-Mittelland District during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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