September weather forecastWetzikon, Switzerland
September weather for Wetzikon, Switzerland: In Wetzikon, in September, during 12.7 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout September, the nighttime temperature in Wetzikon, Switzerland, averages to a frosty 7.4°C (45.3°F).
September
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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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
Average daylight in September /
Average sunshine in September
Wetzikon, Switzerland
- Average daylight in September: 12h and 36min
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 42min
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).
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).
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).
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).
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).
