September weather forecastErnzen, Luxembourg
September
Weather in September
September, the first month of the autumn in Ernzen, is still a comfortable month, with an average temperature fluctuating between 9°C (48.2°F) and 18.5°C (65.3°F).Temperature
Ernzen in September undergoes a slight reduction in the average high-temperature, shifting from August's pleasant 22.6°C (72.7°F) to a refreshing 18.5°C (65.3°F). Ernzen in September experiences a low-temperature average of 9°C (48.2°F).Humidity
The average relative humidity in September in Ernzen is 80%.Rainfall
In Ernzen, Luxembourg, in September, it is raining for 11.3 days, with typically 35mm (1.38") of accumulated precipitation. In Ernzen, during the entire year, the rain falls for 171.5 days and collects up to 545mm (21.46") of precipitation.Snowfall
June through September are months without snowfall in Ernzen, Luxembourg.Daylight
The average length of the day in September in Ernzen is 12h and 37min.On the first day of the month, sunrise is at 06:51 and sunset at 20:18. On the last day of September, in Ernzen, sunrise is at 07:34 and sunset at 19:15 CEST.
Sunshine
In Ernzen, Luxembourg, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Ernzen is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ernzen, Luxembourg
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Ernzen, Luxembourg
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Ernzen, Luxembourg
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Ernzen, Luxembourg
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Ernzen, Luxembourg
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Ernzen, Luxembourg
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Ernzen, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ernzen, Luxembourg
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ernzen, 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: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Ernzen, Luxembourg
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Ernzen, 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, November and December (UV index 2).
Average cloud cover in September
Ernzen, Luxembourg
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Ernzen, Luxembourg
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
