Zürich
September
Weather in Zürich for September 2026
Your guide to Zürich weather in September - trends and predictions
Until now, September 2026 in Zürich has been nearly identical to the historical average, with a temperature of 23.7 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Zürich predicts a temperature of 19.2 °C, which is cooler than the historical average.
In general, the average temperature in Zürich at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °C by the end of September.
The climate of Zürich in September is notably wet, with an average of 12 rainy days, and a total of 90.6 mm of precipitation.
Temperatures
Rain 🌧️
18
Dry days
12
Rainy days
0
Snow days
20°/10°
Temperatures
9 km/h
Avg max wind
80 %
Avg humidity
Zürich Weather September
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Temperatures trend during September in Zürich
See the weather trend as well as the moving average line
September weather in Zürich day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 24° /11° | 0.8 mm | 6 | |
| 2 Sept. |  Partly cloudy | 24° /11° | 1.2 mm | 5 | |
| 3 Sept. | Overcast | 25° /12° | 1.8 mm | 6 | |
| 4 Sept. |  Heavy rain at times | 25° /13° | 5 mm | 6 | |
| 5 Sept. |  Patchy rain possible | 24° /12° | 2.1 mm | 5 | |
| 6 Sept. |  Mist | 25° /11° | 0.5 mm | 6 | |
| 7 Sept. | Mist | 27° /12° | 0.1 mm | 5 | |
| 8 Sept. | Partly cloudy | 26° /13° | 4.8 mm | 6 | |
| 9 Sept. | Light rain shower | 21° /12° | 5.2 mm | 5 | |
| 10 Sept. |  Moderate or heavy rain shower | 21° /11° | 2.6 mm | 5 | |
| 11 Sept. | Patchy rain possible | 21° /10° | 2.5 mm | 5 | |
| 12 Sept. | Patchy rain possible | 21° /9° | 0.6 mm | 5 | |
| 13 Sept. | Overcast | 21° /12° | 0.2 mm | 5.1 | |
| 14 Sept. |  Sunny | 23° /15° | 0.2 mm | 5.3 | |
| 15 Sept. | Sunny | 24° /12° | 0 mm | 5.4 | |
| 16 Sept. | Light rain shower | 22° /12° | 8.3 mm | 4.8 | |
| 17 Sept. | Overcast | 17° /11° | 11.6 mm | 4.9 | |
| 18 Sept. | Overcast | 18° /13° | 0 mm | 5 | |
| 19 Sept. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 20 Sept. | Overcast | 20° /13° | 0 mm | 6 | |
| 21 Sept. | Sunny | 19° /12° | 0 mm | 5 | |
| 22 Sept. | Sunny | 18° /9° | 0 mm | 5 | |
| 23 Sept. | Overcast | 14° /10° | 7.2 mm | 3 | |
| 24 Sept. | Sunny | 18° /10° | 0 mm | 5 | |
| 25 Sept. | Overcast | 18° /13° | 0 mm | 4 | |
| 26 Sept. | Mist | 18° /11° | 4.3 mm | 4 | |
| 27 Sept. |  Cloudy | 17° /8° | 4 mm | 4 | |
| 28 Sept. | Patchy rain possible | 15° /7° | 7 mm | 3 | |
| 29 Sept. | Patchy rain possible | 17° /8° | 2.8 mm | 4 | |
| 30 Sept. | Patchy rain possible | 17° /7° | 0.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Zürich 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 Zürich forecast closer to your planned date for the most up-to-date weather information.
Change Month
Zürich in September - FAQ
What are the expected maximum and minimum temperatures in Zürich during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Zürich during September?
Moderate rainfall is anticipated in Zürich during September, with a total of 90.6 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Zürich during September?
The average wind speed in Zürich during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Zürich
Explore the daily rainfall trends and prepare for Zürichs September weather 💧
Typically, Zürich has 12 rainy days in September with a total of 90.6 mm of rainfall.
UV exposure in Zürich during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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