September weather forecastBerikon, Switzerland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Berikon, Switzerland, with an average temperature fluctuating between 8.4°C (47.1°F) and 19.9°C (67.8°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 24.4°C (75.9°F) to a refreshing 19.9°C (67.8°F). During September, Berikon observes a consistent average nighttime temperature of 8.4°C (47.1°F).Humidity
In Berikon, the average relative humidity in September is 80%.Rainfall
April and September are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 38mm (1.5") of rain.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Berikon, sunrise is at 06:46 and sunset at 20:06. On the last day of the month, sunrise is at 07:24 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Berikon is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Berikon, Switzerland
- Average high temperature in September: 19.9°C
The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Berikon, Switzerland
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Berikon, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Berikon, Switzerland
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in September
Berikon, Switzerland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).
Average rainfall days in September
Berikon, Switzerland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Berikon, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Berikon, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Berikon, Switzerland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Berikon, Switzerland
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Berikon, 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
Berikon, Switzerland
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Berikon, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).
