September weather forecastChermignon, Switzerland
September
Weather in September
The first month of the autumn, September, is also a fresh month in Chermignon, Switzerland, with an average temperature varying between 12.3°C (54.1°F) and 3.3°C (37.9°F).Temperature
Chermignon, Switzerland, in September undergoes a slight reduction in the average high-temperature, shifting from August's comfortable 16.4°C (61.5°F) to a cool 12.3°C (54.1°F). Throughout September nights, Chermignon registers an average low-temperature of 3.3°C (37.9°F).Humidity
The average relative humidity in September is 82%.Rainfall
September and October are months with the least rain in Chermignon when the rain falls for 16.5 days and typically aggregates up to 54mm (2.13") of rain.Snowfall
Months with snowfall in Chermignon are January through December. In Chermignon, in September, during 2.1 snowfall days, 36mm (1.42") of snow is typically accumulated. In Chermignon, during the entire year, snow falls for 129 days and aggregates up to 4010mm (157.87") of snow.Daylight
In September, the average length of the day in Chermignon is 12h and 32min.On the first day of September in Chermignon, Switzerland, sunrise is at 06:51 and sunset at 20:08. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In Chermignon, Switzerland, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Chermignon is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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
Chermignon, 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).
