September weather forecastValmeinier, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Valmeinier, France, with an average temperature varying between 3.5°C (38.3°F) and 13.1°C (55.6°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a comfortable 17°C (62.6°F) in August to a mild 13.1°C (55.6°F). In September, Valmeinier's temperature tends to fall to an average low of 3.5°C (38.3°F) during the night.

Humidity

In September, the average relative humidity in Valmeinier is 78%.

Rainfall

The months with the least rainfall in Valmeinier are January and September Rain falls for 11.2 days and accumulates 18mm (0.71") of rain.

Snowfall

January through December are months with snowfall in Valmeinier. In September, in Valmeinier, it is snowing for 2 days. Throughout September, 12mm (0.47") of snow is accumulated. Throughout the year, there are 101.3 snowfall days, and 1617mm (63.66") of snow is accumulated.

Daylight

In Valmeinier, the average length of the day in September is 12h and 32min.
On the first day of September in Valmeinier, sunrise is at 06:56 and sunset at 20:11. On the last day of the month, sunrise is at 07:31 and sunset at 19:16 CEST.

Sunshine

In September, the average sunshine in Valmeinier is 9h.

UV index

The average daily maximum UV index in September in Valmeinier is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Heed the precautions - It is counselled to guard against solar damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

The average high-temperature and low-temperature during September are 13.1°C (55.6°F) and 3.5°C (38.3°F) respectively.

In Valmeinier, the average relative humidity in September is 78%.

January and September are months with the least rain in Valmeinier, France, when the rain falls for 11.2 days and typically aggregates up to 18mm (0.71") of rain.

In September, in Valmeinier, France, the rain falls for 11.2 days. Throughout September, 18mm (0.71") of precipitation is accumulated.

In Valmeinier, France, during September, snow falls for 2 days and regularly aggregates up to 12mm (0.47") of snow.

In September, the average day length in Valmeinier, France, is 12h and 32min.

On the first day of September in Valmeinier, sunrise is at 06:56 and sunset at 20:11. On the last day of the month, sunrise is at 07:31 and sunset at 19:16 CEST.

The average sunshine duration in September in Valmeinier is 9h.

In Valmeinier, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Valmeinier, France

  • Average high temperature in September: 13.1°C

The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in September: 3.5°C

The month with the highest average low temperature is August (5.8°C).
The coldest month (with the lowest average low temperature) is January (-12°C).

Average pressure in September
Valmeinier, France

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in September
Valmeinier, France

  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is November (8.1km/h).
The calmest month (with the lowest average wind speed) is September (6km/h).

Average humidity in September
Valmeinier, France

  • Average humidity in September: 78%

The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Valmeinier, France

  • Average rainfall in September: 18mm

The wettest months (with the highest rainfall) are November and December (45mm).
The driest months (with the least rainfall) are January and September (18mm).

Average rainfall days in September
Valmeinier, France

  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in September
Valmeinier, France

  • Average snowfall in September: 12mm

The month with the highest snowfall is November (317mm).
The month with the least snowfall is July (2mm).

Average snowfall days in September
Valmeinier, France

  • Average snowfall days in September: 2 days

The months with the highest number of snowfall days are February and November (13.7 days).
The months with the least snowfall days are July and August (0.8 days).

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

  • Average daylight in September: 12h and 30min

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

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in September
Valmeinier, France

  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is June (12.1 days).

Average UV index in September
Valmeinier, France

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in September
Valmeinier, France

  • Average cloud cover in September: 34

The month with the most cloud cover is May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Valmeinier, France

  • Average visibility in September: 8km

The month with the highest visibility is August (9km).
The months with the lowest visibility are January and February (6km).