September weather forecastHupperdange, Luxembourg
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Hupperdange, Luxembourg, with an average temperature fluctuating between 17.3°C (63.1°F) and 8.3°C (46.9°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a pleasant 20.9°C (69.6°F) in August to an enjoyable 17.3°C (63.1°F). The nighttime temperature, during September, averages of 8.3°C (46.9°F).Humidity
In Hupperdange, Luxembourg, the average relative humidity in September is 83%.Rainfall
In Hupperdange, in September, it is raining for 13.1 days, with typically 39mm (1.54") of accumulated precipitation. In Hupperdange, during the entire year, the rain falls for 167 days and collects up to 571mm (22.48") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:51 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 Hupperdange, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hupperdange, Luxembourg
- Average high temperature in September: 17.3°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 (2.4°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in September
Hupperdange, Luxembourg
- Average pressure in September: 1017.7mbar
The months with the highest atmospheric pressure are September and December (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Hupperdange, Luxembourg
- Average wind speed in September: 10.4km/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 (9.9km/h).
Average humidity in September
Hupperdange, Luxembourg
- Average humidity in September: 83%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Hupperdange, Luxembourg
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in September
Hupperdange, Luxembourg
- Average rainfall days in September: 13.1 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Hupperdange, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hupperdange, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hupperdange, 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 18min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Hupperdange, Luxembourg
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Hupperdange, 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
Hupperdange, Luxembourg
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Hupperdange, Luxembourg
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are November and December (7km).
