Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a moderate 13.8°C (56.8°F) in August to a chilly 9.8°C (49.6°F). Throughout the nights in September, Betten experiences an average low-temperature of 1.5°C (34.7°F).Humidity
In September, the average relative humidity in Betten is 86%.Rainfall
In Betten, Switzerland, during September, the rain falls for 17.5 days and regularly aggregates up to 36mm (1.42") of precipitation. In Betten, during the entire year, the rain falls for 148 days and collects up to 606mm (23.86") of precipitation.Snowfall
Months with snowfall in Betten are January through December. In September, in Betten, it is snowing for 2.2 days. Throughout September, 43mm (1.69") of snow is accumulated. Throughout the year, there are 124.7 snowfall days, and 1943mm (76.5") of snow is accumulated.Daylight
The average length of the day in September in Betten is 12h and 33min.On the first day of September, sunrise is at 06:48 and sunset at 20:06. On the last day of the month, sunrise is at 07:25 and sunset at 19:09 CEST.
Sunshine
In Betten, the average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index in Betten, Switzerland, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 during September translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. 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. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Betten in September?
What is the average humidity in September in Betten?
How many days does it rain in September in Betten?
How many days does it snow in September in Betten?
What is the average length of the day in September in Betten?
When are sunrise and sunset in September in Betten?
How long on average sun shines in September in Betten?
What is the UV index intensity in September in Betten?
Average temperature in September
Betten, Switzerland
- Average high temperature in September: 9.8°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is January (-4.2°C).
- Average low temperature in September: 1.5°C
The months with the highest average low temperature are July and August (4.3°C).
The coldest month (with the lowest average low temperature) is February (-13.8°C).
Average pressure in September
Betten, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Betten, Switzerland
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is December (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in September
Betten, Switzerland
- Average humidity in September: 86%
The months with the highest relative humidity are March and April (93%).
The months with the lowest relative humidity are July and August (84%).
Average rainfall in September
Betten, Switzerland
- Average rainfall in September: 36mm
The wettest months (with the highest rainfall) are June and August (74mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Betten, Switzerland
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is December (2.5 days).
Average snowfall in September
Betten, Switzerland
- Average snowfall in September: 43mm
The month with the highest snowfall is November (472mm).
The month with the least snowfall is July (2mm).
Average snowfall days in September
Betten, Switzerland
- Average snowfall days in September: 2.2 days
The month with the highest number of snowfall days is March (19.5 days).
The month with the least snowfall days is July (0.2 days).
Average daylight in September /
Average sunshine in September
Betten, Switzerland
- Average daylight in September: 12h and 3min
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: 6h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Betten, Switzerland
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is August (3.9 days).
Average UV index in September
Betten, Switzerland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Betten, Switzerland
- Average cloud cover in September: 57
The month with the most cloud cover is May (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 52).
Average visibility in September
Betten, Switzerland
- Average visibility in September: 7km
The month with the highest visibility is July (8km).
The months with the lowest visibility are January, February, March, April, May and November (6km).
Betten, Switzerland
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