Vaud (Lausanne)
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 24.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °C by the end of September.
With an average of 5 rainy days, Vaud experiences minimal rainfall in September.
Is September a good time to visit Vaud? check out the best time to travel to Vaud page.
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25
Dry days
5
Rainy days
0
Snow days
22°/14°
Temperatures
9 km/h
Avg max wind
68 %
Avg humidity
Vaud in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2 24° | 3 25° | 4  23° | 5 23° | 6 24° | 7 25° |
| 8 24° | 9 21° | 10 23° | 11 22° | 12 19° | 13  14° | 14  16° |
| 15 19° | 16 19° | 17 19° | 18  18° | 19 19° | 20 20° | 21 20° |
| 22 18° | 23 15° | 24 18° | 25 18° | 26 18° | 27 17° | 28 16° |
| 29 18° | 30 20° |
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Temperatures trend during September in Vaud
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 | 26° /15° | 2.9 mm | 6 | |
| 2 Sept. | Sunny | 24° /15° | 1.6 mm | 6 | |
| 3 Sept. | Sunny | 25° /16° | 7.5 mm | 6 | |
| 4 Sept. | Partly cloudy | 23° /15° | 7.2 mm | 6 | |
| 5 Sept. | Sunny | 23° /15° | 4.8 mm | 6 | |
| 6 Sept. | Sunny | 24° /14° | 0.1 mm | 6 | |
| 7 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 8 Sept. | Sunny | 24° /16° | 5.5 mm | 6 | |
| 9 Sept. | Sunny | 21° /15° | 6.4 mm | 5 | |
| 10 Sept. | Sunny | 23° /14° | 0.9 mm | 6 | |
| 11 Sept. | Partly cloudy | 22° /14° | 9.4 mm | 6 | |
| 12 Sept. | Partly cloudy | 19° /11° | 3.5 mm | 5 | |
| 13 Sept. | Overcast | 14° /10° | 4.1 mm | 4 | |
| 14 Sept. | Cloudy | 16° /10° | 0 mm | 4 | |
| 15 Sept. | Cloudy | 19° /9° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 17 Sept. | Sunny | 19° /12° | 0.1 mm | 5 | |
| 18 Sept. | Light rain shower | 18° /11° | 13.8 mm | 5 | |
| 19 Sept. | Patchy rain possible | 19° /11° | 1.6 mm | 5 | |
| 20 Sept. | Partly cloudy | 20° /11° | 0.2 mm | 5 | |
| 21 Sept. | Light rain shower | 20° /11° | 6.8 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /11° | 11.9 mm | 4 | |
| 23 Sept. | Patchy rain possible | 15° /10° | 15 mm | 4 | |
| 24 Sept. | Sunny | 18° /9° | 1.1 mm | 5 | |
| 25 Sept. | Sunny | 18° /9° | 0.2 mm | 5 | |
| 26 Sept. | Sunny | 18° /11° | 26.9 mm | 5 | |
| 27 Sept. | Overcast | 17° /11° | 3.6 mm | 4 | |
| 28 Sept. | Sunny | 16° /10° | 5.3 mm | 5 | |
| 29 Sept. | Sunny | 18° /10° | 0 mm | 5 | |
| 30 Sept. | Sunny | 20° /12° | 1.4 mm | 5 | |
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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.
Vaud in September - FAQ
What are the expected maximum and minimum temperatures in Vaud during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vaud during September?
Moderate rainfall is anticipated in Vaud during September, with a total of 67.6 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Vaud during September?
The average wind speed in Vaud during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Vaud in September?
As you prepare for your trip to Vaud 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 Vaud, 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
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- 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 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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