Weather in Lugano for September 2026
Giallo Temporali Allerta - See hour by hour.
Until now, September 2026 in Lugano has been nearly identical to the historical average, with a temperature of 23.3 °C (showing only a slight deviation of 0.1 °C).
The forecast for the upcoming days in Lugano predicts a temperature of 18.9 °C, which is slightly above the historical average.
In general, the average temperature in Lugano at the beginning of September is 24.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.1 °C by the end of September.
The climate of Lugano in September is notably wet, with an average of 13 rainy days, and a total of 202.2 mm of precipitation.
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Lugano Weather September
Temperatures trend during September in Lugano
September weather in Lugano day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 23° /10° | 5.3 mm | 6 | |
| 2 Sept. |  Partly cloudy | 25° /10° | 5.1 mm | 6 | |
| 3 Sept. | Partly cloudy | 25° /10° | 1.7 mm | 7 | |
| 4 Sept. |  Cloudy | 25° /11° | 6.3 mm | 6 | |
| 5 Sept. |  Overcast | 23° /11° | 15.2 mm | 5 | |
| 6 Sept. |  Sunny | 24° /10° | 0.6 mm | 6 | |
| 7 Sept. | Sunny | 26° /10° | 0.3 mm | 6 | |
| 8 Sept. | Sunny | 24° /11° | 5.2 mm | 6 | |
| 9 Sept. | Light rain shower | 24° /10° | 17.2 mm | 5 | |
| 10 Sept. | Sunny | 23° /10° | 5.6 mm | 5 | |
| 11 Sept. | Sunny | 24° /9° | 1.1 mm | 6 | |
| 12 Sept. | Partly cloudy | 22° /8° | 2.3 mm | 6 | |
| 13 Sept. |  Moderate or heavy rain shower | 21° /8° | 18.7 mm | 4 | |
| 14 Sept. | Moderate or heavy rain shower | 23° /8° | 1.9 mm | 6 | |
| 15 Sept. | Patchy rain possible | 22° /8° | 0.1 mm | 5 | |
| 16 Sept. | Light rain shower | 22° /8° | 3.2 mm | 5 | |
| 17 Sept. | Overcast | 20° /8° | 4.6 mm | 4 | |
| 18 Sept. | Sunny | 20° /9° | 7 mm | 4 | |
| 19 Sept. | Patchy rain possible | 23° /8° | 0.7 mm | 5 | |
| 20 Sept. | Light rain shower | 23° /9° | 3 mm | 5 | |
| 21 Sept. | Light rain shower | 21° /11° | 6.9 mm | 5 | |
| 22 Sept. | Sunny | 20° /11° | 0 mm | 5 | |
| 23 Sept. | Overcast | 17° /12° | 0 mm | 3.9 | |
| 24 Sept. | Sunny | 19° /10° | 0 mm | 4.2 | |
| 25 Sept. | Sunny | 18° /9° | 0 mm | 5 | |
| 26 Sept. | Sunny | 17° /10° | 0 mm | 5 | |
| 27 Sept. | Overcast | 18° /11° | 0 mm | 5 | |
| 28 Sept. | Overcast | 19° /13° | 0 mm | 4 | |
| 29 Sept. | Overcast | 20° /14° | 0.6 mm | 5 | |
| 30 Sept. | Patchy rain possible | 16° /13° | 4.5 mm | 4 | |
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Lugano in September - FAQ
What are the expected maximum and minimum temperatures in Lugano during September?
How much rainfall should be expected in Lugano during September?
What are the typical wind conditions in Lugano during September?
September rainfall patterns in Lugano
UV exposure in Lugano during September
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