September weather forecastBessans, France

September

Weather in September

The first month of the autumn, September, is also a fresh month in Bessans, France, with an average temperature fluctuating between 2°C (35.6°F) and 10.7°C (51.3°F).

Temperature

As Bessans enters September, the average high-temperature subtly lowers from the a mild 15.3°C (59.5°F) of August to a cool 10.7°C (51.3°F). In Bessans, the average low-temperature during the month of September is a cold 2°C (35.6°F).

Humidity

The average relative humidity in September in Bessans is 81%.

Rainfall

In Bessans, France, in September, during 15.1 rainfall days, 46mm (1.81") of precipitation is typically accumulated. Throughout the year, there are 131.8 rainfall days, and 824mm (32.44") of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Bessans. September is the first month it typically snows in Bessans. Throughout September, in the average 1.5 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Bessans, there are 117.2 snowfall days, and 2762mm (108.74") of snow is accumulated.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 06:54 and sunset at 20:09. On the last day of the month, sunrise is at 07:29 and sunset at 19:14 CEST.

Sunshine

In Bessans, the average sunshine in September is 7.5h.

UV index

In Bessans, France, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during September leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

In September, in Bessans, the average high-temperature is 10.7°C (51.3°F), and the average low-temperature is 2°C (35.6°F).

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

In Bessans, France, during September, the rain falls for 15.1 days and regularly aggregates up to 46mm (1.81") of precipitation.

September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 9mm (0.35") of snow.

The average day length in September in Bessans is 12h and 32min.

On the first day of September, sunrise is at 06:54 and sunset at 20:09. On the last day of the month, sunrise is at 07:29 and sunset at 19:14 CEST.

In September, the average sunshine duration is 7.5h.

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bessans, France

  • Average high temperature in September: 10.7°C

The warmest months (with the highest average high temperature) are July and August (15.3°C).
The month with the lowest average high temperature is January (-4°C).

  • Average low temperature in September: 2°C

The month with the highest average low temperature is August (4.3°C).
The coldest month (with the lowest average low temperature) is January (-14.6°C).

Average pressure in September
Bessans, 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
Bessans, France

  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is December (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

Average humidity in September
Bessans, France

  • Average humidity in September: 81%

The month with the highest relative humidity is April (93%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in September
Bessans, France

  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is May (107mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in September
Bessans, France

  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is June (20.8 days).
The month with the least rainy days is January (1.4 days).

Average snowfall in September
Bessans, France

  • Average snowfall in September: 9mm

The month with the highest snowfall is November (613mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Bessans, France

  • Average snowfall days in September: 1.5 days

The month with the highest number of snowfall days is March (19.4 days).
The month with the least snowfall days is July (0.1 days).

Average daylight in September /
Average sunshine in September
Bessans, 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: 7h and 30min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in September
Bessans, France

  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is May (5.8 days).

Average UV index in September
Bessans, France

  • Average UV index in September: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

Average cloud cover in September
Bessans, France

  • Average cloud cover in September: 51

The months with the most cloud cover are April and May (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in September
Bessans, France

  • Average visibility in September: 7km

The months with the highest visibility are July and August (8km).
The months with the lowest visibility are February, March, April and May (5km).