Weather in Zurich in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Zurich sees average highs of 20.9°C (69.6°F) and lows of 12.1°C. Conditions are pleasantly mild and fairly wet (10 rainy days on average), with roughly 9.6 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Zurich — every month compared. Once you know when to go, find your Zurich packing list at 247PackingList.
Get ready for Zurich in September
Search flights to Zurich
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Zurich in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Zurich
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 4.6°C | 80.1mm | 8/10 |
| February | 8.3°C | 74.2mm | 10/10 |
| March | 10.8°C | 66.8mm | 10/10 |
| April | 14.3°C | 88.6mm | 10/10 |
| May | 18.1°C | 129.5mm | 9/10 |
| June | 23.8°C | 124.5mm | 9/10 |
| July | 24.6°C | 156.6mm | 9/10 |
| August | 24.2°C | 140.1mm | 9/10 |
| September | 20.9°C | 82.5mm | 10/10 |
| October | 15.8°C | 96.6mm | 10/10 |
| November | 8.6°C | 110.5mm | 9/10 |
| December | 5.1°C | 132.8mm | 9/10 |
Full month-by-month guide: best time to visit Zurich →
For facts about Switzerland — currency, language and dialling code — see our Switzerland country guide at 247CountryInfo. Travellers also find it useful to keep a Zurich travel guide to hand. Check clothing sizes in Switzerland before you shop.
Frequently Asked Questions
Is September a good time to visit Zurich?
September rates 10/10 for visiting Zurich — excellent time to visit. Expect average highs of 20.9°C, 82.5mm of rain across the month and about 9.6 hours of daily sunshine.
What is the temperature in Zurich in September?
In September, Zurich has average highs of 20.9°C (69.6°F) and average lows of 12.1°C (53.8°F).
Does it rain in Zurich in September?
Some rain is likely. Zurich averages 82.5mm across about 10 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Zurich in September?
For Zurich in September (20.9°C highs / 12.1°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Zurich in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.