Haute-Savoie (Annecy)
September
Weather in Haute-Savoie for September 2027
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 25.2 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of September.
The climate of Haute-Savoie in September is notably wet, with an average of 11 rainy days, and a total of 122.9 mm of precipitation.
Is September a good time to visit Haute-Savoie? check out the best time to travel to Haute-Savoie page.
✨ Is September a good time to visit Haute-Savoie? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
21°/9°
Temperatures
7 km/h
Avg max wind
74 %
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. |  Moderate rain | 24° /10° | 17.3 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 24° /11° | 1.8 mm | 6 | |
| 3 Sept. |  Light rain | 26° /12° | 4.3 mm | 6.8 | |
| 4 Sept. | Light rain | 26° /13° | 8.5 mm | 6 | |
| 5 Sept. | Light rain shower | 24° /12° | 1.8 mm | 5 | |
| 6 Sept. |  Sunny | 26° /11° | 0 mm | 6 | |
| 7 Sept. | Sunny | 28° /13° | 0.2 mm | 6 | |
| 8 Sept. | Light rain | 26° /14° | 5.9 mm | 6 | |
| 9 Sept. | Light rain | 20° /12° | 8.6 mm | 4 | |
| 10 Sept. | Sunny | 22° /10° | 0.9 mm | 6 | |
| 11 Sept. | Light rain | 21° /10° | 4.1 mm | 6 | |
| 12 Sept. | Patchy rain possible | 20° /8° | 1.2 mm | 5 | |
| 13 Sept. |  Moderate or heavy rain shower | 18° /7° | 7.2 mm | 4 | |
| 14 Sept. | Patchy rain possible | 20° /9° | 1.3 mm | 5 | |
| 15 Sept. | Patchy rain possible | 23° /10° | 1.9 mm | 5.7 | |
| 16 Sept. | Patchy light drizzle | 19° /9° | 1.2 mm | 5 | |
| 17 Sept. |  Thundery outbreaks possible | 21° /9° | 0.1 mm | 5 | |
| 18 Sept. | Light rain | 21° /9° | 5.4 mm | 5 | |
| 19 Sept. | Patchy rain possible | 22° /9° | 0.5 mm | 5 | |
| 20 Sept. |  Partly cloudy | 24° /10° | 0 mm | 5 | |
| 21 Sept. | Light rain | 22° /10° | 9.2 mm | 4 | |
| 22 Sept. |  Patchy light rain with thunder | 17° /9° | 10.4 mm | 4 | |
| 23 Sept. | Moderate rain | 16° /7° | 11.8 mm | 3 | |
| 24 Sept. | Sunny | 17° /7° | 0.7 mm | 3 | |
| 25 Sept. | Sunny | 18° /7° | 0.3 mm | 4 | |
| 26 Sept. | Moderate rain | 18° /8° | 13.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 20° /8° | 1.5 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /7° | 2.1 mm | 4 | |
| 29 Sept. |  Mist | 20° /8° | 0 mm | 4 | |
| 30 Sept. | Patchy rain possible | 20° /9° | 1.5 mm | 4 | |
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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°/9° | 16°/6° |
| Rainfall | 120 mm | 123 mm | 197 mm |
| Wind | 8.1 km/h | 7.4 km/h | 7 km/h |
| Humidity | 68% | 74% | 84% |
| Rainy days | 11 days | 11 days | 13 days |
| Dry days | 20 days | 19 days | 18 days |
Planning a trip to Haute-Savoie? Discover the best time to visit
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 9°. 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 122.9 mm is expected in Haute-Savoie during September, occurring over more than 11 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.
September rainfall patterns in Haute-Savoie
Explore the daily rainfall trends and prepare for Haute-Savoies September weather 💧
Typically, Haute-Savoie has 11 rainy days in September with a total of 122.9 mm of rainfall.
UV exposure in Haute-Savoie during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Haute-Savoie in September?
Mild & changeable · highs around 21 °C, frequent showers
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.
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