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
Until now, September 2025 in Interlaken-Oberhasli District is cooler than usual, with temperatures averaging 13.1 °C, this is -4.2 °C below the typical seasonal average.
Expect cooler weather in the next days in Interlaken-Oberhasli District with the forecast suggesting a temperature of 15.4 °C, lower than the historical average.
In general, the average temperature in Interlaken-Oberhasli District at the beginning of September is 18.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °C by the end of September.
The climate of Interlaken-Oberhasli District in September is notably wet, with an average of 15 rainy days, and a total of 573.5 mm of precipitation.
Temperatures
Rain 🌧️
15
Dry days
15
Rainy days
0
Snow days
19°/3°
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 | 17° /7° | 6.5 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 18° /8° | 5.4 mm | 4 | |
| 3 Sept. |  Cloudy | 18° /8° | 2.8 mm | 4 | |
| 4 Sept. | Patchy rain possible | 18° /8° | 7.7 mm | 5 | |
| 5 Sept. | Cloudy | 18° /9° | 3.1 mm | 5 | |
| 6 Sept. | Cloudy | 20° /8° | 0.5 mm | 5 | |
| 7 Sept. | Sunny | 21° /9° | 1.3 mm | 6 | |
| 8 Sept. | Sunny | 18° /10° | 6.4 mm | 5 | |
| 9 Sept. | Light rain shower | 15° /8° | 7.2 mm | 4 | |
| 10 Sept. | Patchy rain possible | 16° /8° | 2.9 mm | 4 | |
| 11 Sept. |  Moderate rain at times | 16° /7° | 2.4 mm | 4 | |
| 12 Sept. | Light rain shower | 15° /5° | 3.2 mm | 4 | |
| 13 Sept. | Patchy rain possible | 15° /7° | 7.6 mm | 3 | |
| 14 Sept. | Moderate rain at times | 14° /7° | 3.1 mm | 3 | |
| 15 Sept. |  Moderate rain | 18° /8° | 9.1 mm | 1.5 | |
| 16 Sept. | Patchy rain possible | 9° /6° | 2.3 mm | 0.6 | |
| 17 Sept. | Sunny | 15° /5° | 0 mm | 0.5 | |
| 18 Sept. | Patchy rain possible | 20° /9° | 0.1 mm | 1.6 | |
| 19 Sept. | Sunny | 21° /9° | 0 mm | 4 | |
| 20 Sept. | Sunny | 21° /11° | 0 mm | 4 | |
| 21 Sept. | Patchy rain possible | 19° /11° | 0.7 mm | 3 | |
| 22 Sept. | Patchy rain possible | 13° /9° | 1.1 mm | 3 | |
| 23 Sept. | Patchy rain possible | 14° /9° | 4.4 mm | 3 | |
| 24 Sept. | Patchy rain possible | 16° /9° | 2.5 mm | 3 | |
| 25 Sept. | Patchy rain possible | 12° /8° | 2.2 mm | 2 | |
| 26 Sept. | Patchy rain possible | 10° /5° | 4.4 mm | 2 | |
| 27 Sept. |  Partly cloudy | 15° /5° | 0 mm | 3 | |
| 28 Sept. | Patchy rain possible | 13° /7° | 3.3 mm | 2 | |
| 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 19° and lows near 3°, suitable for diverse activities and preferences.
How much rainfall should be expected in Interlaken-Oberhasli District during September?
Significant rainfall exceeding 573.5 mm is expected in Interlaken-Oberhasli District during September, occurring over more than 15 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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