Interlaken-Oberhasli District (Interlaken)
September
Weather in Interlaken-Oberhasli District for September 2025
Your guide to Interlaken-Oberhasli District weather in September - trends and predictions
In general, the average temperature in Interlaken-Oberhasli District at the beginning of September is 19.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °C by the end of September.
Interlaken-Oberhasli District experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 123.7 mm.
Temperatures
Rain 🌧️
2
Dry days
28
Rainy days
0
Snow days
15°/7°
Temperatures
8 km/h
Avg max wind
79 %
Avg humidity
Interlaken-Oberhasli District Weather September
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Temperatures trend during September in Interlaken-Oberhasli District
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September weather in Interlaken-Oberhasli District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 19° /8° | 1.5 mm | 5 | |
| 2 Sept. |  Patchy rain possible | 19° /8° | 3.1 mm | 4 | |
| 3 Sept. |  Cloudy | 19° /9° | 3.4 mm | 4 | |
| 4 Sept. | Patchy rain possible | 19° /9° | 2.7 mm | 5 | |
| 5 Sept. | Cloudy | 20° /10° | 2.2 mm | 5 | |
| 6 Sept. | Cloudy | 20° /9° | 0.6 mm | 5 | |
| 7 Sept. | Sunny | 21° /10° | 1.7 mm | 6 | |
| 8 Sept. | Sunny | 19° /10° | 7.2 mm | 5 | |
| 9 Sept. |  Heavy rain at times | 16° /9° | 6.6 mm | 4 | |
| 10 Sept. | Patchy rain possible | 17° /8° | 2.6 mm | 4 | |
| 11 Sept. |  Moderate rain at times | 17° /8° | 2.8 mm | 4 | |
| 12 Sept. | Patchy rain possible | 16° /6° | 3.9 mm | 4 | |
| 13 Sept. | Patchy rain possible | 15° /7° | 8.4 mm | 4 | |
| 14 Sept. | Moderate rain at times | 14° /7° | 3.1 mm | 3 | |
| 15 Sept. | Moderate or heavy rain shower | 15° /7° | 6.5 mm | 4 | |
| 16 Sept. | Moderate or heavy rain shower | 15° /6° | 6.3 mm | 3 | |
| 17 Sept. | Patchy rain possible | 13° /6° | 3.4 mm | 3 | |
| 18 Sept. | Cloudy | 14° /5° | 3.4 mm | 4 | |
| 19 Sept. | Patchy rain possible | 12° /5° | 6.7 mm | 3 | |
| 20 Sept. | Moderate rain at times | 13° /5° | 1.2 mm | 3 | |
| 21 Sept. |  Partly cloudy | 14° /4° | 0.7 mm | 4 | |
| 22 Sept. | Sunny | 13° /4° | 6.6 mm | 3 | |
| 23 Sept. | Sunny | 13° /3° | 3.8 mm | 4 | |
| 24 Sept. | Sunny | 13° /4° | 3.1 mm | 4 | |
| 25 Sept. | Moderate rain at times | 15° /4° | 2.8 mm | 4 | |
| 26 Sept. | Moderate rain at times | 14° /6° | 7.2 mm | 4 | |
| 27 Sept. |  Overcast | 13° /5° | 4.7 mm | 3 | |
| 28 Sept. | Patchy rain possible | 11° /5° | 12.3 mm | 3 | |
| 29 Sept. | Patchy rain possible | 12° /4° | 3.7 mm | 3 | |
| 30 Sept. | Patchy rain possible | 12° /5° | 1.5 mm | 3 | |
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Important Notice
Our weather forecast for Interlaken-Oberhasli 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 Interlaken-Oberhasli District forecast closer to your planned date for the most up-to-date weather information.
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Interlaken-Oberhasli District in September - FAQ
What are the expected maximum and minimum temperatures in Interlaken-Oberhasli District during September?
During September, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Interlaken-Oberhasli District during September?
Significant rainfall exceeding 123.7 mm is expected in Interlaken-Oberhasli District during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Interlaken-Oberhasli District during September?
The average wind speed in Interlaken-Oberhasli District during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Interlaken-Oberhasli District
Explore the daily rainfall trends and prepare for Interlaken-Oberhasli Districts September weather 💧
UV exposure in Interlaken-Oberhasli District during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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