September weather forecastEcharlens, Switzerland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Echarlens, Switzerland, with an average temperature ranging between min 7.4°C (45.3°F) and max 17.6°C (63.7°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from an agreeable 21.9°C (71.4°F) to a comfortable 17.6°C (63.7°F). An average minimum temperature of 7.4°C (45.3°F) marks the month of September.Humidity
The average relative humidity in September in Echarlens, Switzerland, is 82%.Rainfall
September is the month with the least rainfall in Echarlens. Rain falls for 16.5 days and accumulates 53mm (2.09") of precipitation.Snowfall
In Echarlens, snow does not fall in June through September.Daylight
In Echarlens, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:52 and sunset at 20:10. On the last day of the month, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
In Echarlens, the average sunshine in September is 8.7h.UV index
In Echarlens, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Echarlens, Switzerland
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (22°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 July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-4.6°C).
Average pressure in September
Echarlens, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Echarlens, Switzerland
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in September
Echarlens, Switzerland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in September
Echarlens, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is June (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in September
Echarlens, Switzerland
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in September
Echarlens, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Echarlens, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Echarlens, Switzerland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Echarlens, Switzerland
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is June (4.3 days).
Average UV index in September
Echarlens, 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 January, February, March, November and December (UV index 2).
Average cloud cover in September
Echarlens, Switzerland
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Echarlens, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).





