Courmayeur
September
Weather in Courmayeur for September 2027
Your guide to Courmayeur weather in September - trends and predictions
The climate of Courmayeur in September is notably wet, with an average of 11 rainy days, and a total of 118.7 mm of precipitation.
Is September a good time to visit Courmayeur? check out the best time to travel to Courmayeur page.
✨ Is September a good time to visit Courmayeur? – Ask the AI Weatherman
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
16°/5°
Temperatures
9 km/h
Avg max wind
69 %
Avg humidity
Courmayeur Weather September
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Temperatures trend during September in Courmayeur
See the weather trend as well as the moving average line
September weather in Courmayeur day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 13° /5° | 23 mm | 4 | |
| 2 Sept. |  Patchy light rain with thunder | 14° /5° | 2.2 mm | 6 | |
| 3 Sept. |  Partly cloudy | 18° /5° | 0 mm | 6.8 | |
| 4 Sept. | Patchy light rain with thunder | 19° /8° | 14 mm | 6.7 | |
| 5 Sept. |  Thundery outbreaks possible | 15° /7° | 0.3 mm | 6.6 | |
| 6 Sept. |  Sunny | 19° /6° | 0 mm | 6.6 | |
| 7 Sept. | Sunny | 20° /7° | 0.1 mm | 6.5 | |
| 8 Sept. |  Light rain | 19° /9° | 6 mm | 6 | |
| 9 Sept. | Patchy light rain with thunder | 13° /8° | 14 mm | 2 | |
| 10 Sept. | Patchy light rain with thunder | 14° /6° | 6.9 mm | 3 | |
| 11 Sept. |  Patchy rain possible | 15° /4° | 0 mm | 6.1 | |
| 12 Sept. | Partly cloudy | 16° /3° | 0 mm | 6 | |
| 13 Sept. | Patchy light rain | 18° /5° | 1.8 mm | 5.9 | |
| 14 Sept. | Light rain | 18° /7° | 4.7 mm | 5.8 | |
| 15 Sept. | Patchy rain possible | 20° /7° | 0.7 mm | 5.7 | |
| 16 Sept. | Patchy rain possible | 16° /7° | 0.7 mm | 5 | |
| 17 Sept. | Sunny | 17° /7° | 0 mm | 4 | |
| 18 Sept. | Sunny | 19° /8° | 0 mm | 5 | |
| 19 Sept. | Sunny | 20° /6° | 0 mm | 5 | |
| 20 Sept. | Patchy light rain with thunder | 20° /8° | 3.5 mm | 4 | |
| 21 Sept. | Patchy light rain with thunder | 18° /7° | 7.4 mm | 2 | |
| 22 Sept. | Light rain | 15° /7° | 7.8 mm | 4 | |
| 23 Sept. | Patchy light rain with thunder | 15° /3° | 10.8 mm | 3 | |
| 24 Sept. |  Moderate or heavy rain with thunder | 12° /3° | 6.2 mm | 3 | |
| 25 Sept. | Light rain | 13° /3° | 2.5 mm | 2 | |
| 26 Sept. | Light rain | 12° /4° | 4.8 mm | 3 | |
| 27 Sept. |  Light freezing rain | 13° /3° | 0.8 mm | 3 | |
| 28 Sept. | Sunny | 15° /2° | 0 mm | 4 | |
| 29 Sept. | Sunny | 15° /4° | 0 mm | 3 | |
| 30 Sept. | Patchy rain possible | 14° /5° | 0.6 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Courmayeur 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 Courmayeur forecast closer to your planned date for the most up-to-date weather information.
Change Month
Courmayeur weather in September vs August vs October
Compare September weather in Courmayeur 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 | Patchy rain possible | Sunny | Patchy rain possible |
| Temperatures | 20°/9° | 16°/5° | 9°/1° |
| Rainfall | 100 mm | 119 mm | 181 mm |
| Snowfall | 0 cm | 0 cm | 15 cm |
| Wind | 10 km/h | 9.2 km/h | 9.8 km/h |
| Humidity | 66% | 69% | 81% |
| Rainy days | 16 days | 11 days | 12 days |
| Snow days | 0 days | 0 days | 3 days |
| Dry days | 15 days | 19 days | 16 days |
Planning a trip to Courmayeur? Discover the best time to visit
Courmayeur in September - FAQ
What are the expected maximum and minimum temperatures in Courmayeur during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Courmayeur during September?
Significant rainfall exceeding 118.7 mm is expected in Courmayeur during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Courmayeur during September?
The average wind speed in Courmayeur during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Courmayeur
Explore the daily rainfall trends and prepare for Courmayeurs September weather 💧
Typically, Courmayeur has 11 rainy days in September with a total of 118.7 mm of rainfall.
What to pack to Courmayeur in September?
Cold & raw · highs around 16 °C, frequent showers
As you prepare for your trip to Courmayeur 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 Courmayeur, during September, is comfortable and enjoyable, regardless of the weather conditions.
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🧥 Clothing
👟 Footwear
🎒 Accessories
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