September weather forecastSierentz, France

September

Weather in September

September, the first month of the autumn in Sierentz, is also an enjoyable month, with temperature in the range of an average low of 9.6°C (49.3°F) and an average high of 19.9°C (67.8°F).

Temperature

Sierentz experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 24.1°C (75.4°F) in August to an enjoyable 19.9°C (67.8°F). Throughout the month of September, Sierentz expects an average low of 9.6°C (49.3°F).

Humidity

In Sierentz, France, the average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 33mm (1.3") of precipitation.

Snowfall

In Sierentz, snow does not fall in April through September.

Daylight

In September, the average length of the day in Sierentz is 12h and 34min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:10. On the last day of September, sunrise is at 07:28 and sunset at 19:11 CEST.

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions - Protection against sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

In September, the average high-temperature and low-temperature in Sierentz, France, are 19.9°C (67.8°F) and 9.6°C (49.3°F) respectively.

In September, the average relative humidity is 79%.

The month with the least rainfall in Sierentz, France, is September, when the rain falls for 12.4 days and typically collects 33mm (1.3") of precipitation.

In Sierentz, France, in September, it is raining for 12.4 days, with typically 33mm (1.3") of accumulated precipitation.

April through September are months without snowfall in Sierentz, France.

In Sierentz, France, in September, it doesn't snow. In October, it regularly snows.

In Sierentz, the average day length in September is 12h and 34min.

On the first day of September, sunrise is at 06:49 and sunset at 20:10. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.

In September, the average sunshine duration is 8.9h.

In Sierentz, France, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sierentz, France

  • Average high temperature in September: 19.9°C

The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).

Average pressure in September
Sierentz, France

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).

Average wind speed in September
Sierentz, France

  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is February (10.1km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September
Sierentz, France

  • Average humidity in September: 79%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and August (76%).

Average rainfall in September
Sierentz, France

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in September
Sierentz, France

  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is October (12.2 days).

Average snowfall in September
Sierentz, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (60mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Sierentz, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Sierentz, France

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (7.5 days).

Average UV index in September
Sierentz, France

  • Average UV index in September: 4

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

Average cloud cover in September
Sierentz, France

  • Average cloud cover in September: 34

The months with the most cloud cover are January and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Sierentz, France

  • Average visibility in September: 8km

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