Haute-Savoie (Annecy)
September
Weather in Haute-Savoie for September 2026
Your guide to Haute-Savoie weather in September - trends and predictions
In general, the average temperature in Haute-Savoie at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of September.
Haute-Savoie in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 136.2 mm.
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Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
21°/8°
Temperatures
7 km/h
Avg max wind
77 %
Avg humidity
Haute-Savoie Weather September
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Temperatures trend during September in Haute-Savoie
See the weather trend as well as the moving average line
September weather in Haute-Savoie day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 24° /9° | 23.1 mm | 6 | |
| 2 Sept. | Sunny | 24° /10° | 2.4 mm | 6 | |
| 3 Sept. | Sunny | 26° /11° | 5.7 mm | 6 | |
| 4 Sept. |  Cloudy | 25° /11° | 11.3 mm | 5 | |
| 5 Sept. |  Light rain shower | 23° /10° | 2.4 mm | 5 | |
| 6 Sept. | Sunny | 26° /9° | 0 mm | 6 | |
| 7 Sept. | Sunny | 28° /11° | 0.3 mm | 7 | |
| 8 Sept. | Sunny | 25° /12° | 7.6 mm | 6 | |
| 9 Sept. | Sunny | 20° /11° | 4.7 mm | 5 | |
| 10 Sept. | Sunny | 24° /10° | 1.2 mm | 6 | |
| 11 Sept. | Sunny | 22° /9° | 5.4 mm | 5 | |
| 12 Sept. | Patchy rain possible | 20° /6° | 1.6 mm | 5 | |
| 13 Sept. |  Moderate or heavy rain shower | 17° /6° | 9.7 mm | 4 | |
| 14 Sept. |  Mist | 19° /7° | 1.7 mm | 4 | |
| 15 Sept. | Mist | 22° /8° | 2.6 mm | 6 | |
| 16 Sept. |  Patchy light drizzle | 19° /7° | 1 mm | 5 | |
| 17 Sept. |  Thundery outbreaks possible | 22° /7° | 0.1 mm | 5 | |
| 18 Sept. | Sunny | 21° /8° | 7.2 mm | 5 | |
| 19 Sept. | Patchy rain possible | 23° /8° | 0.6 mm | 5 | |
| 20 Sept. |  Partly cloudy | 24° /8° | 0.1 mm | 6 | |
| 21 Sept. | Patchy light drizzle | 23° /8° | 12.2 mm | 5 | |
| 22 Sept. |  Patchy light rain with thunder | 16° /8° | 13.9 mm | 4 | |
| 23 Sept. | Light rain shower | 13° /5° | 15.7 mm | 3 | |
| 24 Sept. | Sunny | 15° /5° | 0.9 mm | 4 | |
| 25 Sept. | Sunny | 17° /5° | 0.4 mm | 5 | |
| 26 Sept. | Sunny | 16° /7° | 17.6 mm | 4 | |
| 27 Sept. |  Overcast | 18° /6° | 2 mm | 4 | |
| 28 Sept. | Partly cloudy | 17° /4° | 2.8 mm | 4 | |
| 29 Sept. | Mist | 19° /5° | 0 mm | 5 | |
| 30 Sept. | Mist | 19° /6° | 1.9 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Haute-Savoie 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 Haute-Savoie forecast closer to your planned date for the most up-to-date weather information.
Change Month
Haute-Savoie weather in September vs August vs October
Compare September weather in Haute-Savoie with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/13° | 21°/8° | 17°/7° |
| Rainfall | 132 mm | 136 mm | 178 mm |
| Wind | 7.4 km/h | 7.2 km/h | 6.6 km/h |
| Humidity | 69% | 77% | 82% |
| Rainy days | 18 days | 19 days | 21 days |
| Dry days | 13 days | 11 days | 10 days |
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Haute-Savoie in September - FAQ
What are the expected maximum and minimum temperatures in Haute-Savoie during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Haute-Savoie during September?
Significant rainfall exceeding 136.2 mm is expected in Haute-Savoie during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Haute-Savoie during September?
The average wind speed in Haute-Savoie during September is 7 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Haute-Savoie in September?
As you prepare for your trip to Haute-Savoie 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 Haute-Savoie, 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 Haute-Savoie
Explore the daily rainfall trends and prepare for Haute-Savoies September weather 💧
Typically, Haute-Savoie has 19 rainy days in September with a total of 136.2 mm of rainfall.
UV exposure in Haute-Savoie during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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