September weather forecast
Wetzikon, Switzerland

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Weather in September

September in Wetzikon marks a transitional period from summer heat to autumn cool. The average high temperature drops to 17.9°C (64.2°F), announcing the arrival of Autumn. The blend of pleasant temperatures and decreased rainfall makes for an ideal ambiance for outdoor leisurely activities. The city starts to transform with the onset of autumn, filled with vibrant fall colors. As days become shorter and nights grow longer, the cityscape is brightened by the riot of autumnal hues.

Temperature

September is characterized by a slight reduction in average high-temperature, easing from an agreeable 22.5°C (72.5°F) in August to a refreshing 17.9°C (64.2°F). Throughout September, the nighttime temperature in Wetzikon, Switzerland, averages to a frosty 7.4°C (45.3°F).

Humidity

The average relative humidity in September in Wetzikon is 82%.

Rainfall

In September, in Wetzikon, the rain falls for 12.7 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 151 rainfall days, and 623mm (24.53") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Wetzikon is 12h and 34min.
On the first day of the month, sunrise is at 06:44 and sunset at 20:04. On the last day of September, sunrise is at 07:23 and sunset at 19:06 CEST.

Sunshine

In Wetzikon, the average sunshine in September is 8.7h.

UV index

In Wetzikon, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Guard yourself - Avoiding sunburn is suggested. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the average September temperature in Wetzikon?

The average high-temperature, in September, in Wetzikon, is 17.9°C (64.2°F), while the average low-temperature is 7.4°C (45.3°F).

What is the average humidity in September in Wetzikon?

In September, the average relative humidity in Wetzikon, Switzerland, is 82%.

How many days does it rain in September in Wetzikon?

In Wetzikon, in September, during 12.7 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

When it does not snow in Wetzikon?

June through September are months without snowfall in Wetzikon, Switzerland.

Does it snow in Wetzikon in September?

In Wetzikon, Switzerland, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Wetzikon?

In Wetzikon, the average day length in September is 12h and 34min.

When are sunrise and sunset in September in Wetzikon?

In September, on the first day of the month, sunrise is at 06:44 and sunset at 20:04. On the last day of the month, in Wetzikon, Switzerland, sunrise is at 07:23 and sunset at 19:06 CEST.

How many hours of sunshine does Wetzikon have in September?

In September, the average sunshine duration in Wetzikon is 8.7h.

What is the UV index intensity in September in Wetzikon?

In September, the average daily maximum UV index in Wetzikon, Switzerland, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Wetzikon, Switzerland

Average temperature in September - Wetzikon, Switzerland
  • Average high temperature in September: 17.9°C

The warmest months (with the highest average high temperature) are July and August (22.5°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in September: 7.4°C

The month with the highest average low temperature is August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).

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Average pressure in September
Wetzikon, Switzerland

Average pressure in September - Wetzikon, Switzerland
  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

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Average wind speed in September
Wetzikon, Switzerland

Average wind speed in September - Wetzikon, Switzerland
  • Average wind speed in September: 6.1km/h

The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

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Average humidity in September
Wetzikon, Switzerland

Average humidity in September - Wetzikon, Switzerland
  • Average humidity in September: 82%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (78%).

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Average rainfall in September
Wetzikon, Switzerland

Average rainfall in September - Wetzikon, Switzerland
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (31mm).

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Average rainfall days in September
Wetzikon, Switzerland

Average rainfall days in September - Wetzikon, Switzerland
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in September
Wetzikon, Switzerland

Average snowfall in September - Wetzikon, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (202mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Wetzikon, Switzerland

Average snowfall days in September - Wetzikon, Switzerland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Wetzikon, Switzerland

Average daylight in September / Average sunshine in September - Wetzikon, 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: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Wetzikon, Switzerland

Average sunshine days in September - Wetzikon, Switzerland
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in September
Wetzikon, Switzerland

Average UV index in September - Wetzikon, Switzerland
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in September
Wetzikon, Switzerland

Average cloud cover in September - Wetzikon, Switzerland
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Wetzikon, Switzerland

Average visibility in September - Wetzikon, Switzerland
  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).

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Wetzikon, Switzerland

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