Vaud (Montreux)
September
Weather in Vaud for September 2025
Your guide to Vaud weather in September - trends and predictions
In general, the average temperature in Vaud at the beginning of September is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.3 °C by the end of September.
Vaud experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 156.2 mm.
Temperatures
Rain 🌧️
9
Dry days
21
Rainy days
0
Snow days
17°/8°
Temperatures
8 km/h
Avg max wind
77 %
Avg humidity
Vaud Weather September
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What’s the Weather Like in Vaud This September?
Discover the average temperatures and weather trends across Vaud’s cities this September.
Temperatures trend during September in Vaud
See the weather trend as well as the moving average line
September weather in Vaud day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 22° /10° | 6.1 mm | 6 | |
| 2 Sept. | Sunny | 21° /10° | 2.7 mm | 5 | |
| 3 Sept. | Sunny | 22° /11° | 6.4 mm | 6 | |
| 4 Sept. | Sunny | 21° /12° | 6.8 mm | 5 | |
| 5 Sept. | Sunny | 21° /11° | 4.6 mm | 6 | |
| 6 Sept. | Sunny | 22° /10° | 0 mm | 6 | |
| 7 Sept. | Sunny | 25° /11° | 0.1 mm | 7 | |
| 8 Sept. | Sunny | 22° /12° | 7.5 mm | 6 | |
| 9 Sept. |  Patchy rain possible | 18° /11° | 6.3 mm | 5 | |
| 10 Sept. | Sunny | 20° /10° | 0.4 mm | 5 | |
| 11 Sept. | Sunny | 20° /9° | 7.9 mm | 5 | |
| 12 Sept. |  Thundery outbreaks possible | 15° /7° | 5.2 mm | 4 | |
| 13 Sept. |  Moderate rain | 9° /5° | 8 mm | 3 | |
| 14 Sept. |  Mist | 13° /5° | 0 mm | 4 | |
| 15 Sept. |  Partly cloudy | 17° /5° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 17° /6° | 0.6 mm | 5 | |
| 17 Sept. | Sunny | 19° /7° | 0.1 mm | 5 | |
| 18 Sept. | Light rain shower | 15° /7° | 9.8 mm | 4 | |
| 19 Sept. | Patchy rain possible | 16° /6° | 2.8 mm | 4 | |
| 20 Sept. | Light rain shower | 17° /6° | 1.3 mm | 4 | |
| 21 Sept. | Light rain shower | 18° /7° | 6.2 mm | 4 | |
| 22 Sept. |  Patchy light rain with thunder | 15° /6° | 13.6 mm | 4 | |
| 23 Sept. |  Light drizzle | 10° /5° | 11.3 mm | 3 | |
| 24 Sept. | Sunny | 14° /3° | 1.4 mm | 4 | |
| 25 Sept. | Sunny | 16° /4° | 0.1 mm | 5 | |
| 26 Sept. | Sunny | 15° /7° | 32.8 mm | 4 | |
| 27 Sept. | Sunny | 16° /6° | 4.6 mm | 5 | |
| 28 Sept. | Sunny | 12° /6° | 6.6 mm | 4 | |
| 29 Sept. | Sunny | 17° /6° | 0 mm | 5 | |
| 30 Sept. | Mist | 17° /8° | 3.1 mm | 4 | |
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Important Notice
Our weather forecast for Vaud 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 Vaud forecast closer to your planned date for the most up-to-date weather information.
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Vaud in September - FAQ
What are the expected maximum and minimum temperatures in Vaud during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vaud during September?
Significant rainfall exceeding 156.2 mm is expected in Vaud during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Vaud during September?
The average wind speed in Vaud during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Vaud
Explore the daily rainfall trends and prepare for Vauds September weather 💧
UV exposure in Vaud during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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