September weather forecastSommesous, France

September

Weather in September

September, the first month of the autumn in Sommesous, is also an agreeable month, with temperature in the range of an average low of 11.3°C (52.3°F) and an average high of 20.5°C (68.9°F).

Temperature

September signals a slight drop in average high-temperature, sliding from August's warm 24.4°C (75.9°F) to an agreeable 20.5°C (68.9°F). During September, Sommesous experiences an average low-temperature of 11.3°C (52.3°F) at night.

Humidity

In Sommesous, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall in Sommesous. Rain falls for 10.9 days and accumulates 30mm (1.18") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of the month, sunrise is at 07:00 and sunset at 20:25. On the last day of September, sunrise is at 07:42 and sunset at 19:24 CEST.

Sunshine

The average sunshine in September in Sommesous is 7.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Be vigilant - Preventing sunburn is recommended. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

In Sommesous, 20.5°C (68.9°F) is the average high-temperature and 11.3°C (52.3°F) is the average low-temperature during September.

In September, the average relative humidity is 75%.

September is the month with the least rainfall in Sommesous. Rain falls for 10.9 days and accumulates 30mm (1.18") of precipitation.

In Sommesous, France, in September, during 10.9 rainfall days, 30mm (1.18") of precipitation is typically accumulated.

April through October are months without snowfall in Sommesous, France.

In Sommesous, the average day length in September is 12h and 35min.

On the first day of September in Sommesous, France, sunrise is at 07:00 and sunset at 20:25. On the last day of the month, sunrise is at 07:42 and sunset at 19:24 CEST.

In Sommesous, France, the average sunshine duration in September is 7.9h.

The average daily maximum UV index in September in Sommesous, France, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Sommesous, France

  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.1°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Sommesous, France

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in September
Sommesous, France

  • Average wind speed in September: 9.8km/h

The windiest months (with the highest average wind speed) are February and December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in September
Sommesous, France

  • Average humidity in September: 75%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (71%).

Average rainfall in September
Sommesous, France

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is September (30mm).

Average rainfall days in September
Sommesous, France

  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.9 days).

Average snowfall in September
Sommesous, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Sommesous, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Sommesous, France

  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is December (8.7 days).

Average UV index in September
Sommesous, 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
Sommesous, France

  • Average cloud cover in September: 38

The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).

Average visibility in September
Sommesous, France

  • Average visibility in September: 9km

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