September weather forecast
Waldbillig, Luxembourg

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Weather in September

Autumn's imprint grows deeper in September in Waldbillig. As the temperature cools off to an average high of 18.5°C (65.3°F), one can observe the changing colors in the city's landscape. The dwindling daylight hours signify the change in the air. The second round of rainfall after the May peak completes the transition from summer to fall. The city thus turns into a vivid canvas of yellows, oranges, and reds.

Temperature

September in Waldbillig, Luxembourg, reveals a small adjustment in temperature, transitioning from an average high of a pleasant 22.6°C (72.7°F) in August to an enjoyable 18.5°C (65.3°F). Waldbillig's September nights cool down to an average low-temperature of 9°C (48.2°F).

Humidity

The average relative humidity in September is 80%.

Rainfall

In September, the rain falls for 9.6 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 170 rainfall days, and 516mm (20.31") of precipitation is accumulated.

Snowfall

In Waldbillig, Luxembourg, snow does not fall in May through September.

Daylight

In Waldbillig, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 06:51 and sunset at 20:18. On the last day of September, sunrise is at 07:34 and sunset at 19:15 CEST.

Sunshine

In September, the average sunshine in Waldbillig is 8.2h.

UV index

In Waldbillig, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 3, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are September temperatures in Waldbillig?

The average high-temperature and low-temperature in Waldbillig, Luxembourg, during September are 18.5°C (65.3°F) and 9°C (48.2°F) respectively.

What is the average humidity in September in Waldbillig?

In September, the average relative humidity in Waldbillig is 80%.

How much does it rain in Waldbillig in September?

In Waldbillig, Luxembourg, in September, it is raining for 9.6 days, with typically 26mm (1.02") of accumulated precipitation.

When it does not snow in Waldbillig?

In Waldbillig, snow does not fall in May through September.

Does it snow in Waldbillig in September?

In Waldbillig, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Waldbillig have in September?

In Waldbillig, the average day length in September is 12h and 37min.

When is the sunrise / sunset in September in Waldbillig?

On the first day of September, sunrise is at 06:51 and sunset at 20:18. On the last day of the month, sunrise is at 07:34 and sunset at 19:15 CEST.

How many hours of sunshine does Waldbillig have in September?

In September, the average sunshine duration in Waldbillig is 8.2h.

What is the UV index intensity in September in Waldbillig?

In Waldbillig, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Waldbillig, Luxembourg

Average temperature in September - Waldbillig, 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
Waldbillig, Luxembourg

Average pressure in September - Waldbillig, 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
Waldbillig, Luxembourg

Average wind speed in September - Waldbillig, 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
Waldbillig, Luxembourg

Average humidity in September - Waldbillig, 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
Waldbillig, Luxembourg

Average rainfall in September - Waldbillig, 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
Waldbillig, Luxembourg

Average rainfall days in September - Waldbillig, 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
Waldbillig, Luxembourg

Average snowfall in September - Waldbillig, 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
Waldbillig, Luxembourg

Average snowfall days in September - Waldbillig, 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
Waldbillig, Luxembourg

Average daylight in September / Average sunshine in September - Waldbillig, 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: 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
Waldbillig, Luxembourg

Average sunshine days in September - Waldbillig, 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
Waldbillig, Luxembourg

Average UV index in September - Waldbillig, 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
Waldbillig, Luxembourg

Average cloud cover in September - Waldbillig, 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
Waldbillig, Luxembourg

Average visibility in September - Waldbillig, 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).

Waldbillig, Luxembourg

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