September weather forecastCernans, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Cernans, France, with an average temperature varying between 9.6°C (49.3°F) and 19.5°C (67.1°F).

Temperature

Cernans, France, in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 23.8°C (74.8°F) to a comfortable 19.5°C (67.1°F). In September, the nighttime temperature lowers to an average of 9.6°C (49.3°F).

Humidity

In September, the average relative humidity is 81%.

Rainfall

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

Snowfall

April through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of the month, sunrise is at 06:56 and sunset at 20:15. On the last day of September, sunrise is at 07:34 and sunset at 19:17 CEST.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In Cernans, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

The high-temperature, in September, in Cernans, records 19.5°C (67.1°F), while the low-temperature is 9.6°C (49.3°F).

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

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 32mm (1.26") of precipitation.

In Cernans, in September, during 11.9 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

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

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

In September, the average day length in Cernans is 12h and 33min.

On the first day of September, sunrise is at 06:56 and sunset at 20:15. On the last day of the month, sunrise is at 07:34 and sunset at 19:17 CEST.

The average sunshine duration in September is 8.5h.

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • 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
Cernans, 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
Cernans, 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
Cernans, 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
Cernans, 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).