September weather forecastAyent, Switzerland
September
Weather in September
September, the first month of the autumn in Ayent, is still a cool month, with an average temperature ranging between max 12.3°C (54.1°F) and min 3.3°C (37.9°F).Temperature
As August transitions into September, Ayent sees a gentle drop in the average high-temperature, transitioning from a comfortable 16.4°C (61.5°F) to a fresh 12.3°C (54.1°F). Nighttime temperature experiences an average drop to a wintry 3.3°C (37.9°F) in September.Humidity
In September, the average relative humidity in Ayent, Switzerland, is 82%.Rainfall
September and October are months with the least rain when the rain falls for 16.5 days and typically aggregates up to 54mm (2.13") of rain.Snowfall
Months with snowfall in Ayent are January through December. In Ayent, during September, snow falls for 2.1 days and regularly aggregates up to 36mm (1.42") of snow. Throughout the year, in Ayent, there are 129 snowfall days, and 4010mm (157.87") of snow is accumulated.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:51 and sunset at 20:09. On the last day of September, sunrise is at 07:28 and sunset at 19:12 CEST.
Sunshine
In Ayent, the average sunshine in September is 8.1h.UV index
In Ayent, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in September translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ayent, Switzerland
- Average high temperature in September: 12.3°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).
- Average low temperature in September: 3.3°C
The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in September
Ayent, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Ayent, Switzerland
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Ayent, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Ayent, Switzerland
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).
Average rainfall days in September
Ayent, Switzerland
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Ayent, Switzerland
- Average snowfall in September: 36mm
The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).
Average snowfall days in September
Ayent, Switzerland
- Average snowfall days in September: 2.1 days
The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in September /
Average sunshine in September
Ayent, Switzerland
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Ayent, Switzerland
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).
Average UV index in September
Ayent, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March, April and November (UV index 1).
Average cloud cover in September
Ayent, Switzerland
- Average cloud cover in September: 43
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in September
Ayent, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).





