September weather forecastVillmergen, Switzerland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Villmergen, Switzerland, with an average temperature varying between 19.9°C (67.8°F) and 8.4°C (47.1°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 24.4°C (75.9°F) to a comfortable 19.9°C (67.8°F). The mean low-temperature during September nights is a frosty 8.4°C (47.1°F).Humidity
In Villmergen, the average relative humidity in September is 80%.Rainfall
April and September are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 38mm (1.5") of rain.Snowfall
June through September are months without snowfall in Villmergen.Daylight
The average length of the day in September in Villmergen is 12h and 34min.On the first day of September in Villmergen, sunrise is at 06:46 and sunset at 20:07. On the last day of the month, sunrise is at 07:25 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Villmergen is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Villmergen, Switzerland
- Average high temperature in September: 19.9°C
The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Villmergen, Switzerland
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Villmergen, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Villmergen, Switzerland
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in September
Villmergen, Switzerland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).
Average rainfall days in September
Villmergen, Switzerland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Villmergen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Villmergen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Villmergen, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Villmergen, Switzerland
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Villmergen, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Villmergen, Switzerland
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Villmergen, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).
