September weather forecastErsigen, Switzerland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Ersigen, Switzerland, with an average temperature varying between 18.3°C (64.9°F) and 7.5°C (45.5°F).Temperature
The average high-temperature shows a slight dip in September, from August's pleasant 22.9°C (73.2°F) to a refreshing 18.3°C (64.9°F). During September nights, Ersigen witnesses a consistent average temperature of 7.5°C (45.5°F).Humidity
The average relative humidity in September in Ersigen is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 23mm (0.91") of precipitation.Snowfall
June through September are months without snowfall in Ersigen.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:49 and sunset at 20:09. On the last day of September, in Ersigen, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In Ersigen, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Ersigen is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ersigen, Switzerland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in September
Ersigen, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Ersigen, Switzerland
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Ersigen, Switzerland
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Ersigen, Switzerland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Ersigen, Switzerland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Ersigen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ersigen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ersigen, 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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Ersigen, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in September
Ersigen, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ersigen, Switzerland
- Average cloud cover in September: 35
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
Ersigen, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).
