September weather forecastWinseler, Luxembourg
September
Weather in September
The month of September brings a slight drop in temperature, signifying the start of autumn in Winseler. Winseler receives 38mm (1.5") rainfall, making it the driest month of the year. The gradual transition from summer to autumn is marked by the reducing daylight hours and temperatures. Even though rainfall starts to decrease, it is still a frequent occurrence, contributing to the high relative humidity. September is a tranquil month, standing at the crossroads of a just-gone summer warmth and an upcoming autumn chill.Temperature
September is characterized by a mild reduction in the average high-temperature, from an agreeable 20.9°C (69.6°F) in August to a comfortable 17.4°C (63.3°F). The nights of September in Winseler anticipate an average low-temperature of 7.9°C (46.2°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Winseler, in September, during 14.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Winseler, Luxembourg, during the entire year, the rain falls for 189.4 days and collects up to 645mm (25.39") of precipitation.Snowfall
In Winseler, snow does not fall in June through September.Daylight
In September, the average length of the day in Winseler is 12h and 37min.On the first day of the month, sunrise is at 06:52 and sunset at 20:20. On the last day of September, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
In Winseler, Luxembourg, the average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Winseler is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Winseler, Luxembourg
- Average high temperature in September: 17.4°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: 7.9°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
Winseler, Luxembourg
- Average pressure in September: 1017.8mbar
The months with the highest atmospheric pressure are September and December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in September
Winseler, 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
Winseler, Luxembourg
- Average humidity in September: 84%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Winseler, Luxembourg
- Average rainfall in September: 38mm
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
Winseler, Luxembourg
- Average rainfall days in September: 14.1 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
Winseler, 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
Winseler, 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
Winseler, 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 12min
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
Winseler, Luxembourg
- Average sunshine days in September: 13 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in September
Winseler, 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
Winseler, 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
Winseler, 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).
