September weather forecastArc-lès-Gray, France

September

Weather in September

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

Temperature

September is characterized by a slight reduction in average high-temperature, easing from a warm 23.8°C (74.8°F) in August to a refreshing 19.5°C (67.1°F). Throughout September, an average low-temperature of 9.6°C (49.3°F) is expected in Arc-lès-Gray, France.

Humidity

In September, the average relative humidity is 81%.

Rainfall

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

Snowfall

In Arc-lès-Gray, snow does not fall in April through September.

Daylight

In Arc-lès-Gray, France, the average length of the day in September is 12h and 34min.
On the first day of September in Arc-lès-Gray, sunrise is at 06:57 and sunset at 20:17. On the last day of the month, sunrise is at 07:35 and sunset at 19:19 CEST.

Sunshine

In Arc-lès-Gray, France, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Arc-lès-Gray is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

During September, Arc-lès-Gray experiences an average high-temperature of 19.5°C (67.1°F) and a low-temperature of 9.6°C (49.3°F).

In Arc-lès-Gray, France, the average relative humidity in September is 81%.

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

In Arc-lès-Gray, France, during September, the rain falls for 11.9 days and regularly aggregates up to 32mm (1.26") of precipitation.

In Arc-lès-Gray, France, snow does not fall in April through September.

In Arc-lès-Gray, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Arc-lès-Gray, France, is 12h and 34min.

On the first day of September in Arc-lès-Gray, France, sunrise is at 06:57 and sunset at 20:17. On the last day of the month, sunrise is at 07:35 and sunset at 19:19 CEST.

In September, the average sunshine duration in Arc-lès-Gray, France, is 8.5h.

In Arc-lès-Gray, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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
Arc-lès-Gray, 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).