September weather forecastDerenbach, Luxembourg
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Derenbach, Luxembourg, with an average temperature varying between 17.5°C (63.5°F) and 8.1°C (46.6°F).Temperature
A subtle shift in Derenbach's weather is observed as August turns into September, with the average high temperature reducing from a pleasant 20.9°C (69.6°F) to a comfortable 17.5°C (63.5°F). Derenbach experiences a mean low-temperature of 8.1°C (46.6°F) during September.Humidity
The average relative humidity in September in Derenbach is 83%.Rainfall
In Derenbach, Luxembourg, in September, it is raining for 14.5 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 189.8 rainfall days, and 651mm (25.63") of precipitation is accumulated.Snowfall
In Derenbach, snow does not fall in June through September.Daylight
The average length of the day in September in Derenbach is 12h and 37min.On the first day of September, sunrise is at 06:52 and sunset at 20:20. On the last day of the month, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September in Derenbach is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Derenbach, Luxembourg
- Average high temperature in September: 17.5°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 (2.5°C).
- Average low temperature in September: 8.1°C
The months with the highest average low temperature are July and August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in September
Derenbach, Luxembourg
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in September
Derenbach, Luxembourg
- Average wind speed in September: 10.5km/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 (10km/h).
Average humidity in September
Derenbach, Luxembourg
- Average humidity in September: 83%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Derenbach, Luxembourg
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in September
Derenbach, Luxembourg
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in September
Derenbach, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Derenbach, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Derenbach, 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 6min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Derenbach, Luxembourg
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in September
Derenbach, 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
Derenbach, Luxembourg
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Derenbach, Luxembourg
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, October, November and December (7km).





