September weather forecastAigle, Switzerland
September
Weather in September
September, the first month of the autumn in Aigle, is still a comfortable month, with an average temperature varying between 6°C (42.8°F) and 16°C (60.8°F).Temperature
September is characterized by a slight reduction in average high-temperature, easing from 19.8°C (67.6°F) in August to a still refreshing 16°C (60.8°F). Aigle reports a consistent average low-temperature of 6°C (42.8°F) throughout September nights.Humidity
The average relative humidity in September in Aigle is 80%.Rainfall
The month with the least rainfall in Aigle is September, when the rain falls for 16.9 days and typically collects 54mm (2.13") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Aigle, there are 31.1 snowfall days, and 561mm (22.09") of snow is accumulated.Daylight
The average length of the day in September in Aigle is 12h and 32min.On the first day of the month, sunrise is at 06:53 and sunset at 20:10. On the last day of September, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine in Aigle is 8.9h.UV index
In Aigle, Switzerland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aigle, Switzerland
- Average high temperature in September: 16°C
The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 6°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7.1°C).
Average pressure in September
Aigle, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Aigle, Switzerland
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Aigle, Switzerland
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Aigle, Switzerland
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is May (144mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in September
Aigle, Switzerland
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is May (23.5 days).
The month with the least rainy days is October (13.3 days).
Average snowfall in September
Aigle, Switzerland
- Average snowfall in September: 1mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Aigle, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Aigle, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Aigle, Switzerland
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in September
Aigle, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Aigle, Switzerland
- Average cloud cover in September: 33
The months with the most cloud cover are January, February, March, May and December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Aigle, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (8km).
