September weather forecastEvionnaz, Switzerland
September weather for Evionnaz, Switzerland: The month with the least rainfall in Evionnaz is September, when the rain falls for 19.7 days and typically collects 76mm (2.99") of precipitation. On the last day of September, in Evionnaz, Switzerland, sunrise is at 07:29 and sunset at 19:13 CEST.
September
Weather in September
September, the first month of the autumn in Evionnaz, is also a fresh month, with an average temperature ranging between max 12.8°C (55°F) and min 3.6°C (38.5°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from an enjoyable 16.8°C (62.2°F) in August to a cool 12.8°C (55°F). Nightly temperatures drop to an average low of 3.6°C (38.5°F) in September.Humidity
In Evionnaz, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall in Evionnaz is September, when the rain falls for 19.7 days and typically collects 76mm (2.99") of precipitation.Snowfall
June through September are months without snowfall in Evionnaz.Daylight
In September, the average length of the day 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, in Evionnaz, Switzerland, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine in Evionnaz is 8.3h.UV index
In Evionnaz, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Evionnaz, Switzerland
- Average high temperature in September: 12.8°C
The warmest month (with the highest average high temperature) is August (16.8°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in September: 3.6°C
The month with the highest average low temperature is July (6.7°C).
The coldest months (with the lowest average low temperature) are January and February (-11.4°C).
Average pressure in September
Evionnaz, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Evionnaz, Switzerland
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is December (8.6km/h).
The calmest months (with the lowest average wind speed) are August and September (6.7km/h).
Average humidity in September
Evionnaz, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Evionnaz, Switzerland
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is May (204mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in September
Evionnaz, Switzerland
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is May (25.4 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Evionnaz, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (778mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Evionnaz, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Evionnaz, 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 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Evionnaz, Switzerland
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is October (13.7 days).
The months with the least sunshine days are May and June (3.3 days).
Average UV index in September
Evionnaz, Switzerland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March and November (UV index 1).
Average cloud cover in September
Evionnaz, Switzerland
- Average cloud cover in September: 40
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Evionnaz, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September and October (8km).
The months with the lowest visibility are January, February and March (6km).
