September weather forecastSalvan, Switzerland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Salvan, Switzerland, with an average temperature ranging between min 4.9°C (40.8°F) and max 15.1°C (59.2°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a refreshing 19.2°C (66.6°F) to a mild 15.1°C (59.2°F). The average low-temperature during September nights is an icy 4.9°C (40.8°F).Humidity
In Salvan, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 34mm (1.34") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Salvan, Switzerland, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:53 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 Salvan, the average sunshine in September is 8.8h.UV index
In Salvan, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Salvan, Switzerland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is August (19.2°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 4.9°C
The month with the highest average low temperature is July (8°C).
The coldest month (with the lowest average low temperature) is February (-9°C).
Average pressure in September
Salvan, 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 (1015.3mbar).
Average wind speed in September
Salvan, Switzerland
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is December (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Salvan, Switzerland
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (88%).
The months with the lowest relative humidity are July, August and October (78%).
Average rainfall in September
Salvan, Switzerland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (107mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Salvan, Switzerland
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Salvan, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (431mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Salvan, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Salvan, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Salvan, Switzerland
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in September
Salvan, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Salvan, Switzerland
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Salvan, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).
