Trentino-Alto Adige
September
Weather in Trentino-Alto Adige for September 2025
Your guide to Trentino-Alto Adige weather in September - trends and predictions
In general, the average temperature in Trentino-Alto Adige at the beginning of September is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °C by the end of September.
Expect significant rainfall in Trentino-Alto Adige during September, with an average of 17 rainy days.
With an average of 2 snowy days, Trentino-Alto Adige enjoys a light touch of snow in September.
Is September a good time to visit Trentino-Alto Adige? check out the best time to travel to Trentino-Alto Adige page.
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11
Dry days
17
Rainy days
2
Snow days
17°/5°
Temperatures
6 km/h
Avg max wind
83 %
Avg humidity
Trentino-Alto Adige in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  21° | 3 21° | 4  20° | 5  18° | 6 19° | 7 21° |
| 8 20° | 9 12° | 10 18° | 11 15° | 12 10° | 13  3° | 14  10° |
| 15  13° | 16 14° | 17 16° | 18 19° | 19 16° | 20 16° | 21 15° |
| 22  14° | 23 13° | 24  13° | 25  15° | 26 17° | 27 17° | 28 14° |
| 29 16° | 30 17° |
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Temperatures trend during September in Trentino-Alto Adige
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 22° /8° | 7.9 mm | 0 cm | |
| 2 Sept. | Patchy rain possible | 21° /7° | 2 mm | 0 cm | |
| 3 Sept. | Patchy rain possible | 21° /7° | 3.2 mm | 0 cm | |
| 4 Sept. | Patchy light drizzle | 20° /6° | 4.1 mm | 0 cm | |
| 5 Sept. | Moderate rain | 18° /6° | 25 mm | 0 cm | |
| 6 Sept. | Patchy rain possible | 19° /5° | 1.6 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 21° /6° | 0.1 mm | 0 cm | |
| 8 Sept. | Patchy light rain with thunder | 20° /6° | 11.6 mm | 0 cm | |
| 9 Sept. | Light rain shower | 12° /3° | 38.2 mm | 0 cm | |
| 10 Sept. | Patchy rain possible | 18° /3° | 0.1 mm | 0 cm | |
| 11 Sept. | Light rain shower | 15° /4° | 5.8 mm | 0 cm | |
| 12 Sept. | Light rain shower | 10° /1° | 54.9 mm | 19.7 cm | |
| 13 Sept. | Light snow showers | 3° /-4° | 2.3 mm | 1.6 cm | |
| 14 Sept. | Thundery outbreaks possible | 10° /1° | 3.7 mm | 0.1 cm | |
| 15 Sept. | Mist | 13° /0° | 0 mm | 0 cm | |
| 16 Sept. | Patchy rain possible | 14° /1° | 0.3 mm | 0 cm | |
| 17 Sept. | Patchy rain possible | 16° /2° | 2.1 mm | 0 cm | |
| 18 Sept. | Light rain shower | 19° /2° | 1.9 mm | 0 cm | |
| 19 Sept. | Patchy light rain with thunder | 16° /3° | 11 mm | 0 cm | |
| 20 Sept. | Light rain shower | 16° /2° | 2.4 mm | 0 cm | |
| 21 Sept. | Light rain shower | 15° /5° | 1.9 mm | 0 cm | |
| 22 Sept. | Moderate or heavy rain with thunder | 14° /5° | 3.8 mm | 0 cm | |
| 23 Sept. | Patchy light rain with thunder | 13° /2° | 6.7 mm | 0 cm | |
| 24 Sept. | Partly cloudy | 13° /2° | 5.1 mm | 0 cm | |
| 25 Sept. | Sunny | 15° /1° | 1.2 mm | 0 cm | |
| 26 Sept. | Sunny | 17° /3° | 1.2 mm | 0 cm | |
| 27 Sept. | Patchy rain possible | 17° /5° | 6.1 mm | 0 cm | |
| 28 Sept. | Patchy rain possible | 14° /1° | 8.4 mm | 0 cm | |
| 29 Sept. | Partly cloudy | 16° /0° | 0 mm | 0 cm | |
| 30 Sept. | Patchy rain possible | 17° /2° | 0.1 mm | 0 cm | |
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Important Notice
Our weather forecast for Trentino-Alto Adige 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 Trentino-Alto Adige forecast closer to your planned date for the most up-to-date weather information.
Trentino-Alto Adige in September - FAQ
What are the expected maximum and minimum temperatures in Trentino-Alto Adige during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Trentino-Alto Adige during September?
Significant rainfall exceeding 213.3 mm is expected in Trentino-Alto Adige during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Trentino-Alto Adige during September?
Trentino-Alto Adige experiences an average snowfall of 21.3 cm during September, occurring over 2 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Trentino-Alto Adige during September?
The average wind speed in Trentino-Alto Adige during September is 6 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Trentino-Alto Adige in September?
As you prepare for your trip to Trentino-Alto Adige 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 Trentino-Alto Adige, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- 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
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