September weather forecastSchweich, Luxembourg
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Schweich, Luxembourg, with an average temperature varying between 17.8°C (64°F) and 8.6°C (47.5°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's pleasant 21.7°C (71.1°F) to a refreshing 17.8°C (64°F). An average minimum temperature of 8.6°C (47.5°F) is recorded during the month of September.Humidity
The average relative humidity in September is 82%.Rainfall
In Schweich, in September, during 13.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, in Schweich, there are 190.7 rainfall days, and 631mm (24.84") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Schweich, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 06:52 and sunset at 20:19. On the last day of the month, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
In Schweich, Luxembourg, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, Luxembourg
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
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
Schweich, 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
Schweich, 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
Schweich, 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
Schweich, 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).
