Weather in Haute-Savoie for September 2025
In general, the average temperature in Haute-Savoie at the beginning of September is 26.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °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.
Is September a good time to visit Haute-Savoie? check out the best time to travel to Haute-Savoie page.
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Haute-Savoie Weather September
Temperatures trend during September in Haute-Savoie
September weather in Haute-Savoie day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 28° /10° | 5 mm | 7 | |
| 2 Sept. | Sunny | 26° /11° | 2.1 mm | 7 | |
| 3 Sept. | Sunny | 26° /12° | 8.5 mm | 7 | |
| 4 Sept. |  Cloudy | 25° /12° | 5.8 mm | 6 | |
| 5 Sept. | Sunny | 24° /11° | 2.8 mm | 6 | |
| 6 Sept. | Sunny | 27° /10° | 0 mm | 6 | |
| 7 Sept. | Sunny | 28° /12° | 0.4 mm | 7 | |
| 8 Sept. | Sunny | 27° /12° | 9.4 mm | 7 | |
| 9 Sept. | Sunny | 22° /11° | 1.2 mm | 6 | |
| 10 Sept. | Sunny | 25° /10° | 0.1 mm | 7 | |
| 11 Sept. | Sunny | 24° /10° | 7.5 mm | 6 | |
| 12 Sept. |  Partly cloudy | 20° /7° | 2.4 mm | 5 | |
| 13 Sept. |  Moderate or heavy rain shower | 14° /5° | 10.3 mm | 4 | |
| 14 Sept. |  Mist | 17° /5° | 0 mm | 4 | |
| 15 Sept. | Mist | 21° /6° | 0 mm | 6 | |
| 16 Sept. |  Patchy light drizzle | 19° /7° | 0.6 mm | 5 | |
| 17 Sept. |  Thundery outbreaks possible | 22° /8° | 0.2 mm | 5 | |
| 18 Sept. |  Light rain shower | 19° /7° | 10.8 mm | 5 | |
| 19 Sept. | Patchy rain possible | 20° /6° | 0.9 mm | 5 | |
| 20 Sept. | Partly cloudy | 23° /7° | 0 mm | 6 | |
| 21 Sept. | Patchy light drizzle | 23° /8° | 5 mm | 5 | |
| 22 Sept. |  Patchy light rain with thunder | 18° /9° | 14.2 mm | 4 | |
| 23 Sept. | Patchy rain possible | 16° /5° | 16.2 mm | 4 | |
| 24 Sept. | Sunny | 18° /4° | 0.3 mm | 5 | |
| 25 Sept. | Sunny | 20° /4° | 0 mm | 6 | |
| 26 Sept. | Sunny | 20° /8° | 22.2 mm | 5 | |
| 27 Sept. |  Overcast | 20° /8° | 3 mm | 5 | |
| 28 Sept. | Partly cloudy | 17° /6° | 4.2 mm | 4 | |
| 29 Sept. | Sunny | 20° /6° | 0 mm | 6 | |
| 30 Sept. | Mist | 20° /8° | 2.9 mm | 5 | |
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Haute-Savoie in September - FAQ
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
UV exposure in Haute-Savoie during September
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Where is Haute-Savoie?Get accurate weather forecasts for Haute-Savoie, located at latitude 45.909 and longitude 6.126. Stay updated with localized weather information tailored for Haute-Savoie.