September weather forecastRichigen, Switzerland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Richigen, Switzerland, with an average temperature ranging between min 7.5°C (45.5°F) and max 18.3°C (64.9°F).Temperature
With the onset of September, Richigen's climate undergoes a slight change as the average high-temperature moves from a pleasant 22.9°C (73.2°F) in August to a comfortable 18.3°C (64.9°F). An average nighttime temperature of 7.5°C (45.5°F) is recorded in Richigen, Switzerland, during September.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Richigen. Rain falls for 11.5 days and accumulates 23mm (0.91") of precipitation.Snowfall
In Richigen, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:49 and sunset at 20:09. On the last day of September, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine in Richigen is 8.7h.UV index
In September, the average daily maximum UV index in Richigen is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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
Richigen, 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).





