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
September
Weather in September
Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a pleasant 22.8°C (73°F) in August to a comfortable 18.5°C (65.3°F). Aspelt, in the month of September, anticipates a consistent average low-temperature of 9.5°C (49.1°F).Humidity
In September, the average relative humidity in Aspelt is 79%.Rainfall
In September, in Aspelt, Luxembourg, the rain falls for 12.5 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Aspelt.Daylight
In Aspelt, Luxembourg, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 06:51 and sunset at 20:18. On the last day of the month, sunrise is at 07:34 and sunset at 19:15 CEST.
Sunshine
In Aspelt, Luxembourg, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Aspelt, Luxembourg, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Aspelt?
What is the average humidity in September in Aspelt?
How much does it rain in Aspelt in September?
When it does not snow in Aspelt?
Does it snow in Aspelt in September?
What is the average length of the day in September in Aspelt?
When is the sunrise / sunset in September in Aspelt?
How long on average sun shines in September in Aspelt?
What is the UV index reading in September in Aspelt?
Average temperature in September
Aspelt, Luxembourg
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in September
Aspelt, Luxembourg
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Aspelt, Luxembourg
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Aspelt, Luxembourg
- Average humidity in September: 79%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Aspelt, Luxembourg
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in September
Aspelt, Luxembourg
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in September
Aspelt, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Aspelt, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Aspelt, Luxembourg
- Average daylight in September: 12h and 4min
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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Aspelt, Luxembourg
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).
Average UV index in September
Aspelt, 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
Aspelt, Luxembourg
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Aspelt, 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 November and December (7km).
