Lauterbrunnen
September
Weather in Lauterbrunnen for September 2025
Your guide to Lauterbrunnen weather in September - trends and predictions
In general, the average temperature in Lauterbrunnen at the beginning of September is 17.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.7 °C by the end of September.
Lauterbrunnen experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Lauterbrunnen? check out the best time to travel to Lauterbrunnen page.
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8
Dry days
22
Rainy days
0
Snow days
11°/4°
Temperatures
9 km/h
Avg max wind
84 %
Avg humidity
Lauterbrunnen in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  17° | 3 18° | 4 15° | 5  15° | 6 16° | 7  20° |
| 8 16° | 9 8° | 10 13° | 11 12° | 12 4° | 13 2° | 14 3° |
| 15 7° | 16 9° | 17 7° | 18 12° | 19 12° | 20 14° | 21 14° |
| 22 14° | 23 9° | 24 9° | 25 11° | 26 9° | 27  9° | 28 2° |
| 29  9° | 30 12° |
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Temperatures trend during September in Lauterbrunnen
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 21° /11° | 5.6 mm | 5 | |
| 2 Sept. | Light rain shower | 17° /9° | 10.5 mm | 4 | |
| 3 Sept. | Light rain shower | 18° /9° | 10.9 mm | 4 | |
| 4 Sept. | Light rain shower | 15° /9° | 10.4 mm | 4 | |
| 5 Sept. | Patchy light rain | 15° /9° | 8.2 mm | 4 | |
| 6 Sept. | Patchy rain possible | 16° /7° | 0.9 mm | 4 | |
| 7 Sept. | Sunny | 20° /8° | 0 mm | 6 | |
| 8 Sept. | Patchy light rain with thunder | 16° /8° | 11.9 mm | 4 | |
| 9 Sept. | Light rain shower | 8° /6° | 17.8 mm | 2 | |
| 10 Sept. | Patchy rain possible | 13° /5° | 0.5 mm | 3 | |
| 11 Sept. | Light drizzle | 12° /4° | 7.6 mm | 3 | |
| 12 Sept. | Light rain shower | 4° /-1° | 11.6 mm | 1 | |
| 13 Sept. | Light rain shower | 2° /0° | 14.9 mm | 1 | |
| 14 Sept. | Light rain shower | 3° /-1° | 1.6 mm | 1 | |
| 15 Sept. | Sunny | 7° /-1° | 0 mm | 3 | |
| 16 Sept. | Patchy rain possible | 9° /0° | 0.2 mm | 2 | |
| 17 Sept. | Patchy rain possible | 7° /2° | 0.2 mm | 2 | |
| 18 Sept. | Sunny | 12° /1° | 0 mm | 4 | |
| 19 Sept. | Patchy light rain with thunder | 12° /3° | 4.1 mm | 3 | |
| 20 Sept. | Patchy light rain with thunder | 14° /4° | 1.3 mm | 3 | |
| 21 Sept. | Patchy rain possible | 14° /4° | 0.3 mm | 3 | |
| 22 Sept. | Patchy rain possible | 14° /5° | 0.4 mm | 3 | |
| 23 Sept. | Light rain | 9° /5° | 12.6 mm | 2 | |
| 24 Sept. | Patchy light rain with thunder | 9° /4° | 3.3 mm | 2 | |
| 25 Sept. | Patchy rain possible | 11° /3° | 0.2 mm | 3 | |
| 26 Sept. | Light rain | 9° /6° | 22.7 mm | 2 | |
| 27 Sept. | Moderate or heavy rain with thunder | 9° /4° | 5.4 mm | 2 | |
| 28 Sept. | Light rain shower | 2° /0° | 13.4 mm | 1 | |
| 29 Sept. | Partly cloudy | 9° /-1° | 0.1 mm | 3 | |
| 30 Sept. | Patchy light drizzle | 12° /4° | 3.5 mm | 3 | |
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Important Notice
Our weather forecast for Lauterbrunnen 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 Lauterbrunnen forecast closer to your planned date for the most up-to-date weather information.
Lauterbrunnen in September - FAQ
What are the expected maximum and minimum temperatures in Lauterbrunnen during September?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.
How much rainfall should be expected in Lauterbrunnen during September?
Significant rainfall exceeding 180.1 mm is expected in Lauterbrunnen during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lauterbrunnen during September?
The average wind speed in Lauterbrunnen during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Lauterbrunnen in September?
As you prepare for your trip to Lauterbrunnen in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Lauterbrunnen, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Lauterbrunnen
Explore the daily rainfall trends and prepare for Lauterbrunnens September weather 💧
UV exposure in Lauterbrunnen during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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