Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average UV index in September
Weather in September
Temperature
September's arrival in Zürich coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 23.3°C (73.9°F) to a refreshing 18.8°C (65.8°F). Zürich experiences an average low-temperature of 10.5°C (50.9°F) in the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In Zürich, in September, it is raining for 10.2 days, with typically 99mm (3.9") of accumulated precipitation. Throughout the year, in Zürich, Switzerland, there are 133.9 rainfall days, and 1133mm (44.61") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Zürich.Daylight
In Zürich, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:45 and sunset at 20:05. On the last day of September, in Zürich, Switzerland, sunrise is at 07:24 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September in Zürich is 5h.UV index
The average daily maximum UV index in September in Zürich, Switzerland, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the temperature in September in Zürich?
What is the average humidity in September in Zürich?
How much does it rain in Zürich in September?
When it does not snow in Zürich?
Does it snow in Zürich in September?
How many hours of daylight does Zürich have in September?
When is the sunrise / sunset in September in Zürich?
How long on average sun shines in September in Zürich?
What is the UV index reading in September in Zürich?
Average temperature in September
Zürich, Switzerland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average humidity in September
Zürich, Switzerland
- Average humidity in September: 79%
The months with the highest relative humidity are November and December (84%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Zürich, Switzerland
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is June (128mm).
The driest month (with the least rainfall) is January (63mm).
Average rainfall days in September
Zürich, Switzerland
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is June (12.7 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Zürich, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (220mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Zürich, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Zürich, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is July (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average UV index in September
Zürich, Switzerland
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).
Zürich, Switzerland
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