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 arrival of September correlates with a minor temperature reduction, down from August's refreshing 18.5°C (65.3°F) to a moderate 14.2°C (57.6°F). During September, Lumbrein observes a consistent average nighttime temperature of 3.8°C (38.8°F).Humidity
The average relative humidity in September in Lumbrein is 82%.Rainfall
In September, in Lumbrein, the rain falls for 12.1 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Lumbrein, during the entire year, the rain falls for 142.4 days and collects up to 455mm (17.91") of precipitation.Snowfall
Months with snowfall in Lumbrein are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 3mm (0.12") of snow. In Lumbrein, during the entire year, snow falls for 75.1 days and aggregates up to 712mm (28.03") of snow.Daylight
The average length of the day in September in Lumbrein is 12h and 33min.On the first day of the month, sunrise is at 06:43 and sunset at 20:02. On the last day of September, in Lumbrein, sunrise is at 07:21 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Lumbrein in September?
What is the average humidity in September in Lumbrein?
How much does it rain in Lumbrein in September?
When does it start to snow in Lumbrein?
How many hours of daylight does Lumbrein have in September?
When are sunrise and sunset in September in Lumbrein?
How long on average sun shines in September in Lumbrein?
What is the UV index reading in September in Lumbrein?
Average temperature in September
Lumbrein, Switzerland
- Average high temperature in September: 14.2°C
The warmest months (with the highest average high temperature) are July and August (18.5°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in September: 3.8°C
The month with the highest average low temperature is August (7°C).
The coldest month (with the lowest average low temperature) is February (-10.1°C).
Average pressure in September
Lumbrein, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Lumbrein, Switzerland
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is November (8km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Lumbrein, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Lumbrein, Switzerland
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in September
Lumbrein, Switzerland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Lumbrein, Switzerland
- Average snowfall in September: 3mm
The month with the highest snowfall is January (144mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Lumbrein, Switzerland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lumbrein, Switzerland
- Average daylight in September: 12h and 4min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Lumbrein, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Lumbrein, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Lumbrein, Switzerland
- Average cloud cover in September: 41
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Lumbrein, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
Lumbrein, Switzerland
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