Sierre District (Crans-Montana)
September
Weather in Sierre District for September 2026
Your guide to Sierre District weather in September - trends and predictions
In general, the average temperature in Sierre District at the beginning of September is 18.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.6 °C by the end of September.
Sierre District in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 464.2 mm.
Temperatures
Rain 🌧️
11
Dry days
19
Rainy days
0
Snow days
19°/2°
Temperatures
8 km/h
Avg max wind
77 %
Avg humidity
Sierre District Weather September
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Temperatures trend during September in Sierre District
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September weather in Sierre District day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 17° /7° | 13.3 mm | 0 cm | |
| 2 Sept. | Patchy rain possible | 16° /6° | 6.4 mm | 0 cm | |
| 3 Sept. |  Sunny | 19° /7° | 2 mm | 0 cm | |
| 4 Sept. | Sunny | 18° /8° | 14.7 mm | 0 cm | |
| 5 Sept. | Sunny | 16° /7° | 5.4 mm | 0 cm | |
| 6 Sept. | Sunny | 20° /6° | 0.1 mm | 0 cm | |
| 7 Sept. | Sunny | 21° /8° | 0.1 mm | 0 cm | |
| 8 Sept. | Patchy rain possible | 18° /9° | 5.2 mm | 0 cm | |
| 9 Sept. | Light rain shower | 14° /8° | 10.3 mm | 0 cm | |
| 10 Sept. |  Patchy light rain with thunder | 16° /7° | 4.8 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 16° /6° | 2.7 mm | 0 cm | |
| 12 Sept. |  Thundery outbreaks possible | 12° /3° | 4.5 mm | 2.2 cm | |
| 13 Sept. |  Moderate rain | 10° /4° | 10.4 mm | 2.7 cm | |
| 14 Sept. | Thundery outbreaks possible | 11° /4° | 2.3 mm | 0.2 cm | |
| 15 Sept. |  Partly cloudy | 15° /4° | 1 mm | 0 cm | |
| 16 Sept. | Patchy rain possible | 13° /4° | 1.3 mm | 0 cm | |
| 17 Sept. | Sunny | 15° /4° | 0.1 mm | 0 cm | |
| 18 Sept. | Light rain shower | 16° /5° | 3.3 mm | 0 cm | |
| 19 Sept. | Patchy rain possible | 17° /6° | 1.1 mm | 0 cm | |
| 20 Sept. |  Patchy light drizzle | 17° /6° | 2.2 mm | 0 cm | |
| 21 Sept. | Patchy rain possible | 16° /5° | 4.2 mm | 0 cm | |
| 22 Sept. | Patchy light rain with thunder | 12° /4° | 16.4 mm | 0 cm | |
| 23 Sept. |  Moderate or heavy snow showers | 8° /2° | 9.7 mm | 1.2 cm | |
| 24 Sept. | Sunny | 10° /1° | 7.4 mm | 2.4 cm | |
| 25 Sept. | Sunny | 12° /2° | 0.9 mm | 0 cm | |
| 26 Sept. | Sunny | 11° /4° | 16.9 mm | 0.5 cm | |
| 27 Sept. | Patchy light rain with thunder | 12° /3° | 2.6 mm | 0.5 cm | |
| 28 Sept. | Sunny | 10° /2° | 3.1 mm | 2.7 cm | |
| 29 Sept. | Sunny | 13° /2° | 0 mm | 0 cm | |
| 30 Sept. | Patchy rain possible | 13° /4° | 2.1 mm | 0 cm | |
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Important Notice
Our weather forecast for Sierre District 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 Sierre District forecast closer to your planned date for the most up-to-date weather information.
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Sierre District in September - FAQ
What are the expected maximum and minimum temperatures in Sierre District during September?
During September, expect a variety of temperatures with highs around 19° and lows near 2°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sierre District during September?
Significant rainfall exceeding 464.2 mm is expected in Sierre District during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sierre District in September 2026?
Sierre District typically sees 37.2 cm of snowfall during September.
What are the typical wind conditions in Sierre District during September?
The average wind speed in Sierre District during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
Sierre District snow forecast September 2026
Track daily snowfall levels and discover Sierre District’s snowy potential this September ❄️
September rainfall patterns in Sierre District
Explore the daily rainfall trends and prepare for Sierre Districts September weather 💧
Typically, Sierre District has 19 rainy days in September with a total of 464.2 mm of rainfall.
UV exposure in Sierre District during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Sierre District?Get accurate weather forecasts for Sierre District, located at latitude 46.313 and longitude 7.479. Stay updated with localized weather information tailored for Sierre District.
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