September weather forecastLiesle, France

September

Weather in September

September, the first month of the autumn in Liesle, is still a refreshing month, with an average temperature fluctuating between 19.5°C (67.1°F) and 9.6°C (49.3°F).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 23.8°C (74.8°F) in August to a refreshing 19.5°C (67.1°F). In the month of September, the average temperature dips to a frosty 9.6°C (49.3°F) during the night.

Humidity

The average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 32mm (1.26") of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of September in Liesle, sunrise is at 06:56 and sunset at 20:16. On the last day of the month, sunrise is at 07:34 and sunset at 19:18 CEST.

Sunshine

In September, the average sunshine in Liesle is 8.5h.

UV index

In September, the average daily maximum UV index in Liesle is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

In Liesle, in September, the average high-temperature is 19.5°C (67.1°F), and the average low-temperature is 9.6°C (49.3°F).

In Liesle, France, the average relative humidity in September is 81%.

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 32mm (1.26") of precipitation.

In September, in Liesle, the rain falls for 11.9 days. Throughout September, 32mm (1.26") of precipitation is accumulated.

April through September are months without snowfall.

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

In September, the average day length is 12h and 34min.

In September, on the first day of the month, sunrise is at 06:56 and sunset at 20:16. On the last day of the month, sunrise is at 07:34 and sunset at 19:18 CEST.

The average sunshine duration in September in Liesle is 8.5h.

In Liesle, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Liesle, France

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in September: 9.6°C

The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in September
Liesle, France

  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).

Average wind speed in September
Liesle, France

  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in September
Liesle, France

  • Average humidity in September: 81%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September
Liesle, France

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in September
Liesle, France

  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in September
Liesle, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Liesle, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Liesle, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 30min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

Average sunshine days in September
Liesle, France

  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in September
Liesle, France

  • Average UV index in September: 4

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
Liesle, France

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Liesle, France

  • Average visibility in September: 8km

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