September weather forecastSilley-Bléfond, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Silley-Bléfond, France, with an average temperature ranging between min 9.6°C (49.3°F) and max 19.5°C (67.1°F).

Temperature

Silley-Bléfond in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 23.8°C (74.8°F) to an enjoyable 19.5°C (67.1°F). In Silley-Bléfond, an average low-temperature of 9.6°C (49.3°F) is recorded during September nights.

Humidity

In Silley-Bléfond, the average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall in Silley-Bléfond, France. Rain falls for 11.9 days and accumulates 32mm (1.26") of precipitation.

Snowfall

In Silley-Bléfond, snow does not fall in April through September.

Daylight

In September, the average length of the day in Silley-Bléfond is 12h and 34min.
On the first day of the month, sunrise is at 06:54 and sunset at 20:14. On the last day of September, in Silley-Bléfond, sunrise is at 07:32 and sunset at 19:16 CEST.

Sunshine

In Silley-Bléfond, France, the average sunshine in September is 8.5h.

UV index

In Silley-Bléfond, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

In September, in Silley-Bléfond, the average high-temperature is 19.5°C (67.1°F), and the average low-temperature is 9.6°C (49.3°F).

In September, the average relative humidity is 81%.

The month with the least rainfall in Silley-Bléfond, France, is September, when the rain falls for 11.9 days and typically collects 32mm (1.26") of precipitation.

In September, in Silley-Bléfond, the rain falls for 11.9 days. Throughout September, 32mm (1.26") of precipitation is accumulated.

In Silley-Bléfond, snow does not fall in April through September.

In Silley-Bléfond, France, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 34min.

In September, on the first day of the month, sunrise is at 06:54 and sunset at 20:14. On the last day of the month, sunrise is at 07:32 and sunset at 19:16 CEST.

In Silley-Bléfond, France, the average sunshine duration in September is 8.5h.

In September, the average daily maximum UV index in Silley-Bléfond is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Silley-Bléfond, France

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in September: 9.6°C

The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in September
Silley-Bléfond, France

  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).

Average wind speed in September
Silley-Bléfond, France

  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in September
Silley-Bléfond, France

  • Average humidity in September: 81%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September
Silley-Bléfond, France

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in September
Silley-Bléfond, France

  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in September
Silley-Bléfond, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Silley-Bléfond, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Silley-Bléfond, 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 30min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

Average sunshine days in September
Silley-Bléfond, France

  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in September
Silley-Bléfond, 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
Silley-Bléfond, France

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Silley-Bléfond, France

  • Average visibility in September: 8km

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