Sierre District (Crans-Montana)
September
Weather in Sierre District for September 2026
Your guide to Sierre District weather in September - trends and predictions
With an average of 3 snowy days, Sierre District usually enjoys a light touch of snow in September.
According to Sierre District snow forecast for September 2026, no snow is expected until the end of the month.So far, September 2026 in Sierre District is slightly warmer than the historical average by 1.3 °C.
Expect cooler weather in the next days in Sierre District with the forecast suggesting a temperature of 16.7 °C, lower than the historical average.
In general, the average temperature in Sierre District at the beginning of September is 19 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.4 °C by the end of September.
The climate of Sierre District in September is notably wet, with an average of 12 rainy days, and a total of 154.7 mm of precipitation.
Snow Forecast ❄️
Temperatures
Rain 🌧️
15
Dry days
12
Rainy days
3
Snow days
14°/5°
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
See the weather trend as well as the moving average line
September weather in Sierre District day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 17° /6° | 10 mm | 0 cm | |
| 2 Sept. | Patchy rain possible | 17° /6° | 4.8 mm | 0 cm | |
| 3 Sept. |  Sunny | 19° /7° | 1.5 mm | 0 cm | |
| 4 Sept. | Sunny | 20° /8° | 11 mm | 0 cm | |
| 5 Sept. | Sunny | 17° /8° | 4.1 mm | 0 cm | |
| 6 Sept. | Sunny | 21° /7° | 0.1 mm | 0 cm | |
| 7 Sept. | Sunny | 22° /9° | 0.2 mm | 0 cm | |
| 8 Sept. | Patchy rain possible | 20° /9° | 4.7 mm | 0 cm | |
| 9 Sept. | Light rain shower | 14° /7° | 9.7 mm | 0 cm | |
| 10 Sept. |  Patchy light rain with thunder | 15° /6° | 3.6 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 16° /6° | 2 mm | 0 cm | |
| 12 Sept. |  Thundery outbreaks possible | 14° /3° | 3.4 mm | 1.6 cm | |
| 13 Sept. |  Moderate rain | 12° /4° | 7.8 mm | 2 cm | |
| 14 Sept. | Thundery outbreaks possible | 13° /5° | 1.7 mm | 0.2 cm | |
| 15 Sept. |  Partly cloudy | 16° /5° | 0.8 mm | 0 cm | |
| 16 Sept. | Patchy rain possible | 14° /5° | 3.5 mm | 0 cm | |
| 17 Sept. | Sunny | 15° /5° | 0.1 mm | 0 cm | |
| 18 Sept. | Light rain shower | 16° /5° | 2.5 mm | 0 cm | |
| 19 Sept. | Patchy rain possible | 17° /5° | 0.8 mm | 0 cm | |
| 20 Sept. |  Patchy light drizzle | 18° /6° | 1.7 mm | 0 cm | |
| 21 Sept. | Patchy rain possible | 16° /5° | 4.2 mm | 0 cm | |
| 22 Sept. | Sunny | 18° /7° | 0 mm | 0 cm | |
| 23 Sept. | Sunny | 18° /6° | 0 mm | 0 cm | |
| 24 Sept. | Sunny | 17° /5° | 0 mm | 0 cm | |
| 25 Sept. |  Overcast | 19° /6° | 0 mm | 0 cm | |
| 26 Sept. | Sunny | 19° /7° | 0 mm | 0 cm | |
| 27 Sept. | Sunny | 20° /9° | 0 mm | 0 cm | |
| 28 Sept. | Overcast | 19° /9° | 0 mm | 0 cm | |
| 29 Sept. | Overcast | 18° /8° | 0.1 mm | 0 cm | |
| 30 Sept. | Overcast | 17° /7° | 9.4 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 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sierre District during September?
Significant rainfall exceeding 154.7 mm is expected in Sierre District during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sierre District in September 2026?
Sierre District experiences an average snowfall of 12.4 cm during September, occurring over 3 days.
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 ❄️
On average, Sierre District sees 3 snowy days during September, with approximately 12.4 cm of total snowfall.
September rainfall patterns in Sierre District
Explore the daily rainfall trends and prepare for Sierre Districts September weather 💧
Typically, Sierre District has 12 rainy days in September with a total of 154.7 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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