Ticino (Lugano)
September
Weather in Ticino for September 2025
Your guide to Ticino weather in September - trends and predictions
Until now, September 2025 in Ticino is slightly cooler than the historical average by -1.5 °C.
The forecast for the next days in Ticino predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Ticino at the beginning of September is 24 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °C by the end of September.
Ticino experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 194.7 mm.
Temperatures
Rain 🌧️
6
Dry days
24
Rainy days
0
Snow days
22°/8°
Temperatures
10 km/h
Avg max wind
77 %
Avg humidity
Ticino Weather September
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Temperatures trend during September in Ticino
See the weather trend as well as the moving average line
September weather in Ticino day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 23° /9° | 7.1 mm | 5 | |
| 2 Sept. |  Partly cloudy | 25° /8° | 6.8 mm | 6 | |
| 3 Sept. | Partly cloudy | 25° /9° | 2.2 mm | 6 | |
| 4 Sept. |  Cloudy | 25° /10° | 8.4 mm | 6 | |
| 5 Sept. | Light rain shower | 21° /9° | 20.3 mm | 5 | |
| 6 Sept. |  Sunny | 24° /8° | 0.8 mm | 6 | |
| 7 Sept. | Sunny | 25° /8° | 0 mm | 6 | |
| 8 Sept. | Sunny | 24° /10° | 2.6 mm | 6 | |
| 9 Sept. | Light rain shower | 24° /9° | 5.7 mm | 6 | |
| 10 Sept. | Sunny | 24° /8° | 3.6 mm | 6 | |
| 11 Sept. | Sunny | 24° /8° | 1.3 mm | 6 | |
| 12 Sept. | Partly cloudy | 22° /7° | 2.9 mm | 6 | |
| 13 Sept. |  Moderate or heavy rain shower | 20° /6° | 24.9 mm | 5 | |
| 14 Sept. | Moderate or heavy rain shower | 22° /6° | 2.5 mm | 5 | |
| 15 Sept. |  Mist | 22° /6° | 0 mm | 5 | |
| 16 Sept. | Light rain shower | 22° /5° | 0.9 mm | 5 | |
| 17 Sept. |  Overcast | 18° /6° | 2.8 mm | 4 | |
| 18 Sept. | Sunny | 24° /9° | 0 mm | 1.4 | |
| 19 Sept. | Sunny | 27° /11° | 0 mm | 1.4 | |
| 20 Sept. | Sunny | 27° /12° | 0 mm | 1.4 | |
| 21 Sept. | Patchy rain possible | 26° /12° | 0.3 mm | 1.1 | |
| 22 Sept. |  Heavy rain | 19° /12° | 27.5 mm | 3 | |
| 23 Sept. |  Moderate rain | 19° /8° | 7.3 mm | 3 | |
| 24 Sept. | Patchy rain possible | 18° /5° | 0.8 mm | 3 | |
| 25 Sept. | Sunny | 20° /4° | 0 mm | 4 | |
| 26 Sept. | Patchy rain possible | 19° /6° | 0.9 mm | 3 | |
| 27 Sept. | Patchy rain possible | 14° /3° | 3.2 mm | 2 | |
| 28 Sept. | Patchy rain possible | 18° /2° | 0.3 mm | 2 | |
| 29 Sept. | Patchy rain possible | 15° /5° | 1.5 mm | 2 | |
| 30 Sept. | Sunny | 20° /3° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Ticino 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 Ticino forecast closer to your planned date for the most up-to-date weather information.
Change Month
Ticino in September - FAQ
What are the expected maximum and minimum temperatures in Ticino during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ticino during September?
Significant rainfall exceeding 194.7 mm is expected in Ticino during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ticino during September?
The average wind speed in Ticino during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Ticino
Explore the daily rainfall trends and prepare for Ticinos September weather 💧
UV exposure in Ticino during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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