Zürich Weather in September

What's the weather like in Zürich (Zurich) in September 2023?

The climate in Zürich during September can be summarized as mild and a little damp.

September is in the fall / autumn in Zürich and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (50°F) is normal.

Zürich weather averages (imperial / metric)
Daytime temperature 18.7°C 65.7°F
Nightly temperature 10.1°C 50.2°F
Average temperature 14.4°C 57.9°F
Daily sunshine 5.8 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 13 days
Sea temperature 20.7°C 69.3°F
Humidity 80%
Windspeed 5.8kph 4 mph

On average September is the 5th wettest month of the year in Zürich with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.8 hours of sunshine per day.

September temperatures in Zürich

Zürich average temperature in September

September rainfall

Zürich average rain in September

September hourly sunshine

Zürich average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Zürich in September 2023.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Zürich weather stats

Zürich weather statistics
Hottest month: July 22.8°C 73°F
Driest month: February 63mm 2.5ins
Sunniest month: July 7.6hrs
Coldest month: January 2.3°C 36.1°F
Wettest month: June 136mm 5.4ins
Map showing location of Zürich (47.36667, 8.55)

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