September weather forecast
Wiltz, Luxembourg

englishespañol中文
Share

Weather in September

September signifies the arrival of autumn in Wiltz, with temperatures beginning to tread on the lower side. Tree canopies begin to change their colours, adding a unique charm to the city's palette. Correspondingly, daylight hours decrease as the nights start to grow longer. Rainfall gives its last strong performance before decreasing in the following months. Impressively, the average pressure measures at 1017.8mb, the highest recorded in the year.

Temperature

September in Wiltz witnesses a gentle descent in average high-temperature, descending from August's agreeable 20.9°C (69.6°F) to an enjoyable 17.4°C (63.3°F). The average low-temperature of 7.9°C (46.2°F) is witnessed in Wiltz during September.

Humidity

In September, the average relative humidity is 84%.

Rainfall

In Wiltz, in September, it is raining for 14.1 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 189.4 rainfall days, and 645mm (25.39") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Wiltz.

Daylight

In Wiltz, the average length of the day in September 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 September, the average sunshine in Wiltz is 7.2h.

UV index

The average daily maximum UV index in September in Wiltz is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in September transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the average September temperature in Wiltz?

In September, in Wiltz, the average high-temperature is 17.4°C (63.3°F), and the average low-temperature is 7.9°C (46.2°F).

What is the average humidity in September in Wiltz?

In September, the average relative humidity in Wiltz, Luxembourg, is 84%.

How much does it rain in Wiltz in September?

In Wiltz, in September, it is raining for 14.1 days, with typically 38mm (1.5") of accumulated precipitation.

When it does not snow in Wiltz?

In Wiltz, snow does not fall in June through September.

Does it snow in Wiltz in September?

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

How many hours of daylight does Wiltz have in September?

The average day length in September is 12h and 37min.

What time are sunrise and sunset in September in Wiltz?

On the first day of September in Wiltz, sunrise is at 06:52 and sunset at 20:20. On the last day of the month, sunrise is at 07:35 and sunset at 19:16 CEST.

How long on average sun shines in September in Wiltz?

In Wiltz, Luxembourg, the average sunshine duration in September is 7.2h.

What is the UV index intensity in September in Wiltz?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Wiltz, Luxembourg

Average temperature in September - Wiltz, 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
Wiltz, Luxembourg

Average pressure in September - Wiltz, 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
Wiltz, Luxembourg

Average wind speed in September - Wiltz, 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
Wiltz, Luxembourg

Average humidity in September - Wiltz, 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
Wiltz, Luxembourg

Average rainfall in September - Wiltz, 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
Wiltz, Luxembourg

Average rainfall days in September - Wiltz, 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
Wiltz, Luxembourg

Average snowfall in September - Wiltz, 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
Wiltz, Luxembourg

Average snowfall days in September - Wiltz, 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
Wiltz, Luxembourg

Average daylight in September / Average sunshine in September - Wiltz, 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 1min

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
Wiltz, Luxembourg

Average sunshine days in September - Wiltz, 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
Wiltz, Luxembourg

Average UV index in September - Wiltz, 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
Wiltz, Luxembourg

Average cloud cover in September - Wiltz, 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
Wiltz, Luxembourg

Average visibility in September - Wiltz, 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).

Wiltz, Luxembourg

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location