September weather forecastLeyviller, France

September

Weather in September

September, the first month of the autumn in Leyviller, is still a refreshing month, with an average temperature varying between 19.4°C (66.9°F) and 9.5°C (49.1°F).

Temperature

In September, the average high-temperature marginally drops from a moderately hot 23.7°C (74.7°F) in August to an enjoyable 19.4°C (66.9°F). September sees the temperature falling to a mean low of 9.5°C (49.1°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Leyviller, during September, the rain falls for 9.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 155.4 rainfall days, and 384mm (15.12") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Leyviller.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September in Leyviller, sunrise is at 06:49 and sunset at 20:15. On the last day of the month, sunrise is at 07:31 and sunset at 19:13 CEST.

Sunshine

In September, the average sunshine is 8h.

UV index

In Leyviller, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

An average high-temperature, in September, in Leyviller, is 19.4°C (66.9°F) and the average low-temperature is 9.5°C (49.1°F).

The average relative humidity in September in Leyviller is 79%.

In Leyviller, in September, during 9.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

In Leyviller, snow does not fall in April through October.

The average day length in September in Leyviller, France, is 12h and 35min.

On the first day of September in Leyviller, France, sunrise is at 06:49 and sunset at 20:15. On the last day of the month, sunrise is at 07:31 and sunset at 19:13 CEST.

In September, the average sunshine duration in Leyviller is 8h.

In Leyviller, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Leyviller, France

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in September
Leyviller, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).

Average wind speed in September
Leyviller, France

  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Leyviller, France

  • Average humidity in September: 79%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Leyviller, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Leyviller, France

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is September (9.8 days).

Average snowfall in September
Leyviller, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Leyviller, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 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
Leyviller, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Leyviller, France

  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is December (11.8 days).

Average UV index in September
Leyviller, France

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in September
Leyviller, France

  • Average cloud cover in September: 39

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Leyviller, France

  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).