September weather forecastArsdorf, Luxembourg
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Arsdorf, Luxembourg, with an average temperature fluctuating between 17.8°C (64°F) and 8.6°C (47.5°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a pleasant 21.7°C (71.1°F) in August to an enjoyable 17.8°C (64°F). Arsdorf experiences an average low-temperature of 8.6°C (47.5°F) in month of September.Humidity
In Arsdorf, the average relative humidity in September is 82%.Rainfall
In Arsdorf, in September, during 13.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, there are 190.7 rainfall days, and 631mm (24.84") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Arsdorf.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:52 and sunset at 20:20. On the last day of September, sunrise is at 07:35 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September in Arsdorf is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arsdorf, Luxembourg
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Arsdorf, Luxembourg
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Arsdorf, Luxembourg
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Arsdorf, Luxembourg
- Average humidity in September: 82%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Arsdorf, Luxembourg
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in September
Arsdorf, Luxembourg
- Average rainfall days in September: 13.5 days
The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Arsdorf, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Arsdorf, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arsdorf, Luxembourg
- Average daylight in September: 12h and 36min
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 12min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Arsdorf, Luxembourg
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Arsdorf, Luxembourg
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Arsdorf, Luxembourg
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Arsdorf, Luxembourg
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
