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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's pleasant 22.6°C (72.7°F) to an enjoyable 18.5°C (65.3°F). An average low-temperature of 9°C (48.2°F) is recorded in the month of September.Humidity
In Manternach, the average relative humidity in September is 80%.Rainfall
In Manternach, Luxembourg, during September, the rain falls for 9.6 days and regularly aggregates up to 26mm (1.02") of precipitation. In Manternach, during the entire year, the rain falls for 170 days and collects up to 516mm (20.31") of precipitation.Snowfall
May through September are months without snowfall in Manternach.Daylight
The average length of the day in September in Manternach, Luxembourg, is 12h and 36min.On the first day of the month, sunrise is at 06:50 and sunset at 20:17. On the last day of September, sunrise is at 07:33 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September in Manternach is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are September temperatures in Manternach?
What is the average humidity in September in Manternach?
How much does it rain in Manternach in September?
When it does not snow in Manternach?
Does it snow in Manternach in September?
What is the average length of the day in September in Manternach?
When are sunrise and sunset in September in Manternach?
How many hours of sunshine does Manternach have in September?
How high is the UV index in September in Manternach?
Average temperature in September
Manternach, Luxembourg
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Manternach, Luxembourg
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Manternach, Luxembourg
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Manternach, Luxembourg
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in September
Manternach, Luxembourg
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in September
Manternach, Luxembourg
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Manternach, Luxembourg
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (66mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Manternach, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Manternach, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Manternach, Luxembourg
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in September
Manternach, 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
Manternach, Luxembourg
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Manternach, 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).
Manternach, Luxembourg
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