September weather forecast
Brachtenbach, Luxembourg

Weather in September

September, the first month of the autumn in Brachtenbach, is still a comfortable month, with an average temperature varying between 17.5°C (63.5°F) and 8.1°C (46.6°F).

Temperature

In Brachtenbach, the average high-temperature in September slightly decreases from a pleasant 20.9°C (69.6°F) in August to an enjoyable 17.5°C (63.5°F). In September, the average low-temperature is 8.1°C (46.6°F).

Humidity

In September, the average relative humidity in Brachtenbach is 83%.

Rainfall

In Brachtenbach, Luxembourg, in September, during 14.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, in Brachtenbach, there are 189.8 rainfall days, and 651mm (25.63") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 37min.
On the first day of September in Brachtenbach, sunrise is at 06:51 and sunset at 20:21. On the last day of the month, sunrise is at 07:34 and sunset at 19:17 CEST.

Sunshine

In Brachtenbach, the average sunshine in September is 7.1h.

UV index

In September, the average daily maximum UV index in Brachtenbach, Luxembourg, is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Brachtenbach?

In September, the average relative humidity in Brachtenbach is 83%.

How many days does it rain in September in Brachtenbach?

In Brachtenbach, Luxembourg, in September, during 14.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

When it does not snow in Brachtenbach?

June through September are months without snowfall.

Does it snow in Brachtenbach in September?

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

How many hours of daylight does Brachtenbach have in September?

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

When are sunrise and sunset in September in Brachtenbach?

On the first day of September in Brachtenbach, Luxembourg, sunrise is at 06:51 and sunset at 20:21. On the last day of the month, sunrise is at 07:34 and sunset at 19:17 CEST.

How many hours of sunshine does Brachtenbach have in September?

In Brachtenbach, the average sunshine duration in September is 7.1h.

How high is the UV index in September in Brachtenbach?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Brachtenbach, Luxembourg

Average temperature in September - Brachtenbach, Luxembourg
  • Average high temperature in September: 17.5°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: 8.1°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).

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Average pressure in September
Brachtenbach, Luxembourg

Average pressure in September - Brachtenbach, Luxembourg
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).

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Average wind speed in September
Brachtenbach, Luxembourg

Average wind speed in September - Brachtenbach, 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).

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Average humidity in September
Brachtenbach, Luxembourg

Average humidity in September - Brachtenbach, Luxembourg
  • Average humidity in September: 83%

The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).

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Average rainfall in September
Brachtenbach, Luxembourg

Average rainfall in September - Brachtenbach, Luxembourg
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).

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Average rainfall days in September
Brachtenbach, Luxembourg

Average rainfall days in September - Brachtenbach, Luxembourg
  • Average rainfall days in September: 14.5 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).

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Average snowfall in September
Brachtenbach, Luxembourg

Average snowfall in September - Brachtenbach, 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).

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Average snowfall days in September
Brachtenbach, Luxembourg

Average snowfall days in September - Brachtenbach, 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).

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Average daylight in September /
Average sunshine in September
Brachtenbach, Luxembourg

Average daylight in September / Average sunshine in September - Brachtenbach, Luxembourg
  • Average daylight in September: 12h and 37min

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 10min).

  • Average sunshine in September: 7h and 6min

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).

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Average sunshine days in September
Brachtenbach, Luxembourg

Average sunshine days in September - Brachtenbach, Luxembourg
  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is June (7.2 days).

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Average UV index in September
Brachtenbach, Luxembourg

Average UV index in September - Brachtenbach, 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).

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Average cloud cover in September
Brachtenbach, Luxembourg

Average cloud cover in September - Brachtenbach, 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).

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Average visibility in September
Brachtenbach, Luxembourg

Average visibility in September - Brachtenbach, 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).

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