Montreux
September
Weather in Montreux for September 2025
Your guide to Montreux weather in September - trends and predictions
In general, the average temperature in Montreux 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.
Montreux 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
Montreux in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 21° | 3 22° | 4 21° | 5 21° | 6 22° | 7 25° |
| 8 22° | 9  18° | 10 20° | 11 20° | 12  15° | 13  9° | 14  13° |
| 15  17° | 16 17° | 17 19° | 18 15° | 19 16° | 20 17° | 21 18° |
| 22  15° | 23  10° | 24 14° | 25 16° | 26 15° | 27 16° | 28 12° |
| 29 17° | 30 17° |
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Temperatures trend during September in Montreux
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. | 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 Montreux 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 Montreux forecast closer to your planned date for the most up-to-date weather information.
Montreux in September - FAQ
What are the expected maximum and minimum temperatures in Montreux 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 Montreux during September?
Significant rainfall exceeding 156.2 mm is expected in Montreux during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Montreux during September?
The average wind speed in Montreux during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Montreux
Explore the daily rainfall trends and prepare for Montreuxs September weather 💧
UV exposure in Montreux during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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