September weather forecastLandorthe, France

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Landorthe, France, with an average temperature ranging between max 18°C (64.4°F) and min 7.5°C (45.5°F).

Temperature

In Landorthe, entering September brings a subtle temperature decrement, reducing from August's agreeable 21.7°C (71.1°F) to an enjoyable 18°C (64.4°F). In Landorthe, the September nights cool down to an average low of 7.5°C (45.5°F).

Humidity

In September, the average relative humidity in Landorthe is 73%.

Rainfall

In Landorthe, in September, it is raining for 12.8 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, in Landorthe, there are 149.7 rainfall days, and 817mm (32.17") of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall. In Landorthe, in September, snow falls for 0.4 days, with typically accumulated 20mm (0.79") of snow. In Landorthe, during the entire year, snow falls for 90.2 days and aggregates up to 2798mm (110.16") of snow.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September in Landorthe, sunrise is at 07:21 and sunset at 20:31. On the last day of the month, sunrise is at 07:53 and sunset at 19:39 CEST.

Sunshine

In Landorthe, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Defending against sun damage is advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

Landorthe in September has an average high-temperature of 18°C (64.4°F) and an average low-temperature of 7.5°C (45.5°F).

In September, the average relative humidity is 73%.

In Landorthe, France, in September, during 12.8 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

In Landorthe, France, in September, during 0.4 snowfall days, 20mm (0.79") of snow is typically accumulated.

The average day length in September in Landorthe is 12h and 29min.

On the first day of September, sunrise is at 07:21 and sunset at 20:31. On the last day of the month, sunrise is at 07:53 and sunset at 19:39 CEST.

In Landorthe, the average sunshine duration in September is 9.4h.

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Landorthe, France

  • Average high temperature in September: 18°C

The warmest months (with the highest average high temperature) are July and August (21.7°C).
The month with the lowest average high temperature is February (3.2°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in September
Landorthe, France

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Landorthe, France

  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in September
Landorthe, France

  • Average humidity in September: 73%

The months with the highest relative humidity are February and March (81%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in September
Landorthe, France

  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is May (94mm).
The driest month (with the least rainfall) is February (43mm).

Average rainfall days in September
Landorthe, France

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in September
Landorthe, France

  • Average snowfall in September: 20mm

The month with the highest snowfall is January (479mm).
The month with the least snowfall is July (0mm).

Average snowfall days in September
Landorthe, France

  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is January (15.3 days).
The month with the least snowfall days is July (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

Average sunshine days in September
Landorthe, France

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is June (6.9 days).

Average UV index in September
Landorthe, France

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Landorthe, France

  • Average cloud cover in September: 22

The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July, August and September (Cloud cover 22).

Average visibility in September
Landorthe, France

  • Average visibility in September: 9km

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