Weather in Bern-Mittelland District for September 2025
In general, the average temperature in Bern-Mittelland District at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °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 🌧️
Bern-Mittelland District in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  25° | 3  25° | 4 24° | 5  25° | 6 25° | 7 26° |
| 8 25° | 9 21° | 10 22° | 11 22° | 12 21° | 13 20° | 14  18° |
| 15  20° | 16 20° | 17 16° | 18 17° | 19 16° | 20 18° | 21 19° |
| 22 18° | 23 17° | 24 18° | 25 19° | 26 17° | 27 17° | 28 15° |
| 29 17° | 30 16° |
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Temperatures trend during September in Bern-Mittelland District
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 24° /9° | 1.5 mm | 6 | |
| 2 Sept. | Patchy rain possible | 25° /10° | 1.8 mm | 6 | |
| 3 Sept. | Overcast | 25° /11° | 3.8 mm | 6 | |
| 4 Sept. | Patchy rain possible | 24° /11° | 1.5 mm | 6 | |
| 5 Sept. | Sunny | 25° /11° | 0.8 mm | 6 | |
| 6 Sept. | Sunny | 25° /11° | 0.1 mm | 6 | |
| 7 Sept. | Sunny | 26° /11° | 0.7 mm | 7 | |
| 8 Sept. | Sunny | 25° /12° | 5.5 mm | 6 | |
| 9 Sept. | Overcast | 21° /11° | 2.9 mm | 5 | |
| 10 Sept. | Patchy rain possible | 22° /11° | 0.9 mm | 5 | |
| 11 Sept. | Patchy rain possible | 22° /10° | 4.1 mm | 5 | |
| 12 Sept. | Patchy rain possible | 21° /8° | 2.2 mm | 5 | |
| 13 Sept. | Partly cloudy | 20° /9° | 2.3 mm | 5 | |
| 14 Sept. | Cloudy | 18° /9° | 2.4 mm | 4 | |
| 15 Sept. | Moderate rain at times | 20° /8° | 5 mm | 5 | |
| 16 Sept. | Patchy rain possible | 20° /8° | 4.5 mm | 5 | |
| 17 Sept. | Patchy rain possible | 16° /8° | 2.9 mm | 4 | |
| 18 Sept. | Overcast | 17° /7° | 4.9 mm | 4 | |
| 19 Sept. | Light rain shower | 16° /7° | 5.5 mm | 4 | |
| 20 Sept. | Patchy rain possible | 18° /6° | 0.6 mm | 5 | |
| 21 Sept. | Sunny | 19° /6° | 1.4 mm | 5 | |
| 22 Sept. | Partly cloudy | 18° /6° | 4.7 mm | 5 | |
| 23 Sept. | Sunny | 17° /5° | 2 mm | 5 | |
| 24 Sept. | Sunny | 18° /6° | 1.8 mm | 5 | |
| 25 Sept. | Partly cloudy | 19° /5° | 0.9 mm | 5 | |
| 26 Sept. | Patchy rain possible | 17° /7° | 14.4 mm | 4 | |
| 27 Sept. | Overcast | 17° /7° | 3.8 mm | 4 | |
| 28 Sept. | Patchy rain possible | 15° /7° | 10.7 mm | 4 | |
| 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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Guide for Bern-Mittelland District in September
In Bern, Switzerland, September marks the transition from summer to autumn, bringing about a noticeable change in the weather. At the beginning of the month, the average temperature hovers around 17°, with pleasant, mild conditions.
The days are still relatively long, providing ample opportunity for outdoor activities and sightseeing. However, as the month progresses, the temperatures gradually begin to drop.
By the end of September, the average temperature in Bern decreases to around 13°, signaling the onset of cooler autumn weather. Visitors can expect to experience a mix of sunny days and occasional rainfall as the city transitions into the fall season.
It's advisable to pack layers and a light jacket to stay comfortable throughout the day, especially as the evenings become cooler.
Overall, September in Bern offers a beautiful blend of late summer warmth and the beginnings of autumn, making it an ideal time to explore the city's charming streets, parks, and historical landmarks.
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Bern-Mittelland District in September - FAQ
September rainfall patterns in Bern-Mittelland District
UV exposure in Bern-Mittelland District during September
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Where is Bern-Mittelland District?Get accurate weather forecasts for Bern-Mittelland District, located at latitude 46.948 and longitude 7.447. Stay updated with localized weather information tailored for Bern-Mittelland District.