Valais (Zermatt)
September
Weather in Valais for September 2025
Your guide to Valais weather in September - trends and predictions
With an average of 5 snowy days, Valais usually enjoys a light touch of snow in September.
In general, the average temperature in Valais at the beginning of September is 12.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.4 °C by the end of September.
Is September a good time to visit Valais? check out the best time to travel to Valais page.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
0
Dry days
25
Rainy days
5
Snow days
9°/2°
Temperatures
10 km/h
Avg max wind
79 %
Avg humidity
Valais in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  11° | 3  12° | 4 12° | 5 12° | 6 13° | 7  13° |
| 8 12° | 9 10° | 10 11° | 11 12° | 12 10° | 13 8° | 14 8° |
| 15  10° | 16 8° | 17  8° | 18 8° | 19 6° | 20 6° | 21 6° |
| 22 7° | 23  6° | 24 7° | 25 8° | 26 8° | 27  8° | 28 7° |
| 29 7° | 30 7° |
You can click on date
Access Valais weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Valais
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 12° /3° | 3.7 mm | 0 cm | |
| 2 Sept. | Patchy light rain with thunder | 11° /4° | 2.9 mm | 0 cm | |
| 3 Sept. | Moderate rain at times | 12° /4° | 2.6 mm | 0 cm | |
| 4 Sept. | Moderate rain at times | 12° /4° | 2.8 mm | 0 cm | |
| 5 Sept. | Moderate rain at times | 12° /4° | 13.7 mm | 0 cm | |
| 6 Sept. | Patchy rain possible | 13° /4° | 2.2 mm | 0 cm | |
| 7 Sept. | Partly cloudy | 13° /4° | 3 mm | 0 cm | |
| 8 Sept. | Patchy rain possible | 12° /5° | 4.3 mm | 0 cm | |
| 9 Sept. | Patchy rain possible | 10° /3° | 5.5 mm | 0 cm | |
| 10 Sept. | Patchy rain possible | 11° /3° | 2.1 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 12° /3° | 2.9 mm | 0 cm | |
| 12 Sept. | Patchy rain possible | 10° /2° | 1.2 mm | 0.5 cm | |
| 13 Sept. | Patchy rain possible | 8° /2° | 10.9 mm | 0.9 cm | |
| 14 Sept. | Patchy rain possible | 8° /2° | 2.4 mm | 0.1 cm | |
| 15 Sept. | Heavy rain at times | 10° /3° | 6 mm | 0 cm | |
| 16 Sept. | Moderate or heavy rain shower | 8° /3° | 5 mm | 0 cm | |
| 17 Sept. | Overcast | 8° /0° | 1.3 mm | 0 cm | |
| 18 Sept. | Moderate rain at times | 8° /0° | 6 mm | 0 cm | |
| 19 Sept. | Moderate or heavy rain shower | 6° /-1° | 14 mm | 0 cm | |
| 20 Sept. | Moderate rain at times | 6° /-1° | 1.6 mm | 0 cm | |
| 21 Sept. | Partly cloudy | 6° /0° | 2.2 mm | 0 cm | |
| 22 Sept. | Overcast | 7° /0° | 3.8 mm | 0 cm | |
| 23 Sept. | Sunny | 6° /0° | 5.5 mm | 0.1 cm | |
| 24 Sept. | Sunny | 7° /-1° | 3.3 mm | 0 cm | |
| 25 Sept. | Moderate rain at times | 8° /0° | 1.9 mm | 0 cm | |
| 26 Sept. | Moderate rain at times | 8° /1° | 5.6 mm | 0 cm | |
| 27 Sept. | Cloudy | 8° /0° | 2.2 mm | 0.5 cm | |
| 28 Sept. | Patchy rain possible | 7° /0° | 2 mm | 0.4 cm | |
| 29 Sept. | Patchy rain possible | 7° /-1° | 2 mm | 0 cm | |
| 30 Sept. | Partly cloudy | 7° /0° | 3.2 mm | 0.2 cm | |
| Next | |||||
Important Notice
Our weather forecast for Valais 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 Valais forecast closer to your planned date for the most up-to-date weather information.
Valais in September - FAQ
What are the expected maximum and minimum temperatures in Valais during September?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 2°.
How much rainfall should be expected in Valais during September?
Significant rainfall exceeding 125.6 mm is expected in Valais during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Valais in September 2025?
Valais experiences an average snowfall of 2.565 cm during September, occurring over 5 days.
What are the typical wind conditions in Valais during September?
The average wind speed in Valais during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Valais in September?
As you prepare for your trip to Valais 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 Valais, 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
Valais snow forecast September 2025
Track daily snowfall levels and discover Valais’s snowy potential this September ❄️
September rainfall patterns in Valais
Explore the daily rainfall trends and prepare for Valaiss September weather 💧
Provinces in Valais
Select a province for an accurate weather forecast
Top locations in Valais
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Valais?Get accurate weather forecasts for Valais, located at latitude 46.02 and longitude 7.749. Stay updated with localized weather information tailored for Valais.
Found a mistake?
We appreciate your attention to details. Tell us here.