September weather forecastArenthon, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Arenthon, France, with temperature in the range of an average high of 16.9°C (62.4°F) and an average low of 6.3°C (43.3°F).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from an agreeable 21.1°C (70°F) in August to a refreshing 16.9°C (62.4°F). Arenthon experiences an average nighttime temperature of 6.3°C (43.3°F) in the month of September.

Humidity

The average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 6.5 days and accumulates 7mm (0.28") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Arenthon is 12h and 32min.
On the first day of September in Arenthon, sunrise is at 06:55 and sunset at 20:13. On the last day of the month, sunrise is at 07:32 and sunset at 19:16 CEST.

Sunshine

The average sunshine in September in Arenthon is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

During September, Arenthon experiences an average high-temperature of 16.9°C (62.4°F) and a low-temperature of 6.3°C (43.3°F).

The average relative humidity in September in Arenthon, France, is 80%.

The month with the least rainfall in Arenthon, France, is September, when the rain falls for 6.5 days and typically collects 7mm (0.28") of precipitation.

In September, in Arenthon, France, the rain falls for 6.5 days. Throughout September, 7mm (0.28") of precipitation is accumulated.

In Arenthon, France, snow does not fall in June through September.

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

The average day length in September in Arenthon is 12h and 32min.

On the first day of September in Arenthon, sunrise is at 06:55 and sunset at 20:13. On the last day of the month, sunrise is at 07:32 and sunset at 19:16 CEST.

In September, the average sunshine duration in Arenthon is 8.7h.

In September, the average daily maximum UV index in Arenthon, France, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Arenthon, France

  • Average high temperature in September: 16.9°C

The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (1°C).

  • Average low temperature in September: 6.3°C

The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).

Average pressure in September
Arenthon, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Arenthon, France

  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is December (8.2km/h).
The calmest months (with the lowest average wind speed) are August and September (6.3km/h).

Average humidity in September
Arenthon, France

  • Average humidity in September: 80%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Arenthon, France

  • Average rainfall in September: 7mm

The wettest month (with the highest rainfall) is December (34mm).
The driest month (with the least rainfall) is September (7mm).

Average rainfall days in September
Arenthon, France

  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is June (11.4 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in September
Arenthon, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (73mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Arenthon, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Arenthon, France

  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in September
Arenthon, 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, March, November and December (UV index 2).

Average cloud cover in September
Arenthon, France

  • Average cloud cover in September: 35

The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Arenthon, France

  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).