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 average high-temperature slightly decreases in September, shifting from an agreeable 20.9°C (69.6°F) in August to an enjoyable 17.5°C (63.5°F). Consthum, during the nights of September, experiences an average temperature drop to a frosty 8.1°C (46.6°F).Humidity
In Consthum, the average relative humidity in September is 83%.Rainfall
In Consthum, in September, during 14.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Consthum, Luxembourg, during the entire year, the rain falls for 189.8 days and collects up to 651mm (25.63") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Consthum, Luxembourg, is 12h and 37min.On the first day of the month, sunrise is at 06:51 and sunset at 20:19. On the last day of September, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
In Consthum, Luxembourg, the average sunshine in September is 7.1h.UV index
In Consthum, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during September leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Consthum in September?
What is the average humidity in September in Consthum?
How many days does it rain in September in Consthum?
When it does not snow in Consthum?
Does it snow in Consthum in September?
How many hours of daylight does Consthum have in September?
When is the sunrise / sunset in September in Consthum?
How many hours of sunshine does Consthum have in September?
What is the UV index reading in September in Consthum?
Average temperature in September
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, Luxembourg
- Average daylight in September: 12h and 4min
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 1min
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
Consthum, 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
Consthum, 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
Consthum, 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
Consthum, 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).
