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
Weather in September
Temperature
The onset of September brings a small shift in high-temperatures, falling from an agreeable 20.9°C (69.6°F) in August to a refreshing 17.2°C (63°F). The average temperature during September nights is registered at a frosty 8.1°C (46.6°F).Humidity
In Untereisenbach, the average relative humidity in September is 84%.Rainfall
In Untereisenbach, Luxembourg, in September, it is raining for 12.5 days, with typically 34mm (1.34") of accumulated precipitation. In Untereisenbach, during the entire year, the rain falls for 166.4 days and collects up to 566mm (22.28") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Untereisenbach is 12h and 37min.On the first day of September in Untereisenbach, Luxembourg, sunrise is at 06:51 and sunset at 20:19. On the last day of the month, sunrise is at 07:34 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September in Untereisenbach, Luxembourg, is 7.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are September temperatures in Untereisenbach?
What is the average humidity in September in Untereisenbach?
How many days does it rain in September in Untereisenbach?
When it does not snow in Untereisenbach?
Does it snow in Untereisenbach in September?
What is the average length of the day in September in Untereisenbach?
What time are sunrise and sunset in September in Untereisenbach?
How many hours of sunshine does Untereisenbach have in September?
How high is the UV index in September in Untereisenbach?
Average temperature in September
Untereisenbach, Luxembourg
- Average high temperature in September: 17.2°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: 8.1°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
Untereisenbach, Luxembourg
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Untereisenbach, 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
Untereisenbach, Luxembourg
- Average humidity in September: 84%
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
Untereisenbach, Luxembourg
- Average rainfall in September: 34mm
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
Untereisenbach, Luxembourg
- Average rainfall days in September: 12.5 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
Untereisenbach, 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
Untereisenbach, 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
Untereisenbach, 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 2min
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
Untereisenbach, Luxembourg
- Average sunshine days in September: 15 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
Untereisenbach, 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
Untereisenbach, 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
Untereisenbach, 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).
Untereisenbach, Luxembourg
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