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
September's onset introduces a mild reduction in the average high-temperature, from a pleasant 20.9°C (69.6°F) in August to a comfortable 17.2°C (63°F). In the month of September, Troisvierges witnesses a consistent average low-temperature of 8.1°C (46.6°F).Humidity
The average relative humidity in September is 84%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Troisvierges, during the entire year, the rain falls for 166.4 days and collects up to 566mm (22.28") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Troisvierges is 12h and 37min.On the first day of the month, sunrise is at 06:51 and sunset at 20:19. On the last day of September, in Troisvierges, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
In Troisvierges, the average sunshine in September is 7.4h.UV index
In Troisvierges, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during September leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the usual temperature for Troisvierges in September?
What is the average humidity in September in Troisvierges?
How many days does it rain in September in Troisvierges?
When it does not snow in Troisvierges?
Does it snow in Troisvierges in September?
How many hours of daylight does Troisvierges have in September?
When are sunrise and sunset in September in Troisvierges?
How many hours of sunshine does Troisvierges have in September?
What is the UV index reading in September in Troisvierges?
Average temperature in September
Troisvierges, Luxembourg
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in September
Troisvierges, Luxembourg
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Troisvierges, Luxembourg
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Troisvierges, Luxembourg
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Troisvierges, Luxembourg
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in September
Troisvierges, Luxembourg
- Average rainfall days in September: 12.5 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Troisvierges, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Troisvierges, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Troisvierges, Luxembourg
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 2min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Troisvierges, Luxembourg
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Troisvierges, Luxembourg
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Troisvierges, Luxembourg
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Troisvierges, Luxembourg
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are November and December (7km).
Troisvierges, Luxembourg
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