Zermatt
September
Weather in Zermatt for September 2025
Your guide to Zermatt weather in September - trends and predictions
Until now, September 2025 in Zermatt is cooler than usual, with temperatures averaging 7.2 °C, this is -3.5 °C below the typical seasonal average.
The forecast for the next days in Zermatt predicts temperatures to be around 10 °C, close to the historical average.
In general, the average temperature in Zermatt at the beginning of September is 11.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 6.3 °C by the end of September.
Zermatt in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 502.5 mm.
Temperatures
Rain 🌧️
12
Dry days
18
Rainy days
0
Snow days
13°/-2°
Temperatures
10 km/h
Avg max wind
79 %
Avg humidity
Zermatt Weather September
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Temperatures trend during September in Zermatt
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September weather in Zermatt day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 11° /3° | 12.4 mm | 0 cm | |
| 2 Sept. |  Patchy light rain with thunder | 10° /3° | 3.2 mm | 0 cm | |
| 3 Sept. |  Moderate rain at times | 11° /3° | 2.1 mm | 0 cm | |
| 4 Sept. | Moderate rain at times | 12° /4° | 4.5 mm | 0 cm | |
| 5 Sept. | Moderate rain at times | 10° /3° | 13.5 mm | 0 cm | |
| 6 Sept. | Patchy rain possible | 13° /4° | 1.8 mm | 0 cm | |
| 7 Sept. |  Partly cloudy | 13° /3° | 2.4 mm | 0 cm | |
| 8 Sept. | Patchy rain possible | 12° /5° | 3.8 mm | 0 cm | |
| 9 Sept. | Patchy rain possible | 9° /3° | 5.7 mm | 0 cm | |
| 10 Sept. | Patchy rain possible | 10° /3° | 2.5 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 11° /2° | 2.3 mm | 0 cm | |
| 12 Sept. | Patchy rain possible | 10° /1° | 1 mm | 0.4 cm | |
| 13 Sept. | Patchy rain possible | 8° /1° | 9 mm | 0.7 cm | |
| 14 Sept. | Patchy rain possible | 8° /2° | 2.4 mm | 0.1 cm | |
| 15 Sept. | Patchy rain possible | 12° /2° | 2.5 mm | 0 cm | |
| 16 Sept. | Patchy rain possible | 8° /1° | 0.4 mm | 0 cm | |
| 17 Sept. |  Sunny | 11° /1° | 0 mm | 0 cm | |
| 18 Sept. | Patchy rain possible | 15° /5° | 0.1 mm | 0 cm | |
| 19 Sept. | Sunny | 15° /4° | 0 mm | 0 cm | |
| 20 Sept. | Sunny | 12° /5° | 0 mm | 0 cm | |
| 21 Sept. | Patchy rain possible | 12° /4° | 0.7 mm | 0 cm | |
| 22 Sept. | Patchy rain possible | 9° /4° | 1.1 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 8° /3° | 1.9 mm | 0 cm | |
| 24 Sept. |  Moderate rain | 8° /3° | 6.4 mm | 0 cm | |
| 25 Sept. | Patchy rain possible | 5° /4° | 1.6 mm | 0 cm | |
| 26 Sept. | Patchy rain possible | 3° /0° | 1.1 mm | 0 cm | |
| 27 Sept. | Partly cloudy | 7° /-1° | 0 mm | 0 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 Zermatt 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 Zermatt forecast closer to your planned date for the most up-to-date weather information.
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Zermatt in September - FAQ
What are the expected maximum and minimum temperatures in Zermatt during September?
Prepare for cooler days with highs just around 13° and colder nights, dipping below -2°.
How much rainfall should be expected in Zermatt during September?
Significant rainfall exceeding 502.5 mm is expected in Zermatt during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Zermatt in September 2025?
Zermatt typically sees 10.3 cm of snowfall during September.
What are the typical wind conditions in Zermatt during September?
The average wind speed in Zermatt during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Zermatt snow forecast September 2025
Track daily snowfall levels and discover Zermatt’s snowy potential this September ❄️
September rainfall patterns in Zermatt
Explore the daily rainfall trends and prepare for Zermatts September weather 💧
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