September weather forecastKayl, Luxembourg

September weather for Kayl, Luxembourg: September, the first month of the autumn in Kayl, is still a comfortable month, with an average temperature fluctuating between 9.5°C (49.1°F) and 18.5°C (65.3°F). On the first day of September in Kayl, sunrise is at 06:52 and sunset at 20:18.

September

Weather in September

September, the first month of the autumn in Kayl, is still a comfortable month, with an average temperature fluctuating between 9.5°C (49.1°F) and 18.5°C (65.3°F).

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's agreeable 22.8°C (73°F) to a comfortable 18.5°C (65.3°F). Kayl's average low-temperature in September is measured at a chilly 9.5°C (49.1°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Kayl, in September, it is raining for 12.5 days, with typically 40mm (1.57") of accumulated precipitation. In Kayl, during the entire year, the rain falls for 187.2 days and collects up to 636mm (25.04") of precipitation.

Snowfall

June through September are months without snowfall in Kayl.

Daylight

The average length of the day in September is 12h and 36min.
On the first day of September in Kayl, sunrise is at 06:52 and sunset at 20:18. On the last day of the month, sunrise is at 07:34 and sunset at 19:16 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index in Kayl, Luxembourg, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

An average high-temperature, in September, in Kayl, is 18.5°C (65.3°F) and the average low-temperature is 9.5°C (49.1°F).

The average relative humidity in September is 79%.

In Kayl, during September, the rain falls for 12.5 days and regularly aggregates up to 40mm (1.57") of precipitation.

June through September are months without snowfall.

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

The average day length in September in Kayl is 12h and 36min.

On the first day of September, sunrise is at 06:52 and sunset at 20:18. On the last day of the month, sunrise is at 07:34 and sunset at 19:16 CEST.

The average sunshine duration in September in Kayl, Luxembourg, is 8h.

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 the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Kayl, Luxembourg

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).

Average pressure in September
Kayl, Luxembourg

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in September
Kayl, Luxembourg

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Kayl, Luxembourg

  • Average humidity in September: 79%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Kayl, Luxembourg

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).

Average rainfall days in September
Kayl, Luxembourg

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).

Average snowfall in September
Kayl, Luxembourg

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kayl, Luxembourg

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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 0min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in September
Kayl, Luxembourg

  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).

Average UV index in September
Kayl, 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
Kayl, Luxembourg

  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Kayl, 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).