September weather forecastSommereux, France

September

Weather in September

September, the first month of the autumn in Sommereux, is still a refreshing month, with an average temperature ranging between min 10.5°C (50.9°F) and max 19.6°C (67.3°F).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from an agreeable 22.9°C (73.2°F) in August to an enjoyable 19.6°C (67.3°F). During the month of September, an average temperature of 10.5°C (50.9°F) is noted during the nights in Sommereux.

Humidity

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

Rainfall

September is the month with the least rainfall in Sommereux. Rain falls for 11.4 days and accumulates 21mm (0.83") of precipitation.

Snowfall

April through October are months without snowfall in Sommereux.

Daylight

In September, the average length of the day in Sommereux is 12h and 36min.
On the first day of September, sunrise is at 07:08 and sunset at 20:35. On the last day of the month, sunrise is at 07:51 and sunset at 19:32 CEST.

Sunshine

In Sommereux, the average sunshine in September is 7.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

The average high-temperature, in September, in Sommereux, is 19.6°C (67.3°F), while the average low-temperature is 10.5°C (50.9°F).

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

The month with the least rainfall in Sommereux, France, is September, when the rain falls for 11.4 days and typically collects 21mm (0.83") of precipitation.

In Sommereux, in September, during 11.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

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

In September, the average day length in Sommereux is 12h and 36min.

In September, on the first day of the month, sunrise is at 07:08 and sunset at 20:35. On the last day of the month, in Sommereux, sunrise is at 07:51 and sunset at 19:32 CEST.

In September, the average sunshine duration is 7.3h.

In September, the average daily maximum UV index in Sommereux is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Sommereux, France

  • Average high temperature in September: 19.6°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in September
Sommereux, France

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).

Average wind speed in September
Sommereux, France

  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
Sommereux, France

  • Average humidity in September: 78%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Sommereux, France

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in September
Sommereux, France

  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in September
Sommereux, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Sommereux, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is June (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Sommereux, France

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Sommereux, France

  • Average UV index in September: 4

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

Average cloud cover in September
Sommereux, France

  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 43).

Average visibility in September
Sommereux, France

  • Average visibility in September: 9km

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