September weather forecastAltagène, France

September

Weather in September

The first month of the autumn, September, is still a warm month in Altagène, France, with an average temperature ranging between min 20.3°C (68.5°F) and max 24°C (75.2°F).

Temperature

The arrival of September signals a subtle shift in temperature, down from 27.3°C (81.1°F) in August to a still warm 24°C (75.2°F). Altagène welcomes an average low temperature of 20.3°C (68.5°F) in September, a gentle shift from the day's high.

Humidity

In Altagène, the average relative humidity in September is 69%.

Rainfall

In Altagène, France, in September, during 7.6 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Altagène, France, there are 103.1 rainfall days, and 372mm (14.65") of precipitation is accumulated.

Snowfall

In Altagène, France, snow does not fall in January, March through December.

Daylight

The average length of the day in September in Altagène is 12h and 29min.
On the first day of the month, sunrise is at 06:50 and sunset at 19:56. On the last day of September, in Altagène, sunrise is at 07:20 and sunset at 19:07 CEST.

Sunshine

In September, the average sunshine in Altagène is 10h.

UV index

In Altagène, France, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

An average high-temperature, in September, in Altagène, is 24°C (75.2°F) and the average low-temperature is 20.3°C (68.5°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 29°C (84.2°F).

The average relative humidity in September is 69%.

In Altagène, during September, the rain falls for 7.6 days and regularly aggregates up to 31mm (1.22") of precipitation.

January, March through December are months without snowfall.

The average day length in September in Altagène is 12h and 29min.

On the first day of September in Altagène, France, sunrise is at 06:50 and sunset at 19:56. On the last day of the month, sunrise is at 07:20 and sunset at 19:07 CEST.

In Altagène, France, the average sunshine duration in September is 10h.

In Altagène, France, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Altagène, France

  • Average high temperature in September: 24°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The months with the lowest average high temperature are January and February (12.3°C).

  • Average low temperature in September: 20.3°C

The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is February (8.8°C).

Average pressure in September
Altagène, France

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).

Average wind speed in September
Altagène, France

  • Average wind speed in September: 14.9km/h

The windiest months (with the highest average wind speed) are January and December (19.9km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).

Average humidity in September
Altagène, France

  • Average humidity in September: 69%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Altagène, France

  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are July and August (7mm).

Average rainfall days in September
Altagène, France

  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is November (13.1 days).
The month with the least rainy days is August (2.5 days).

Average snowfall in September
Altagène, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Altagène, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September
Altagène, France

  • Average sunshine days in September: 21.3 days

The month with the most sunshine days is August (27.7 days).
The month with the least sunshine days is February (15.4 days).

Average UV index in September
Altagène, France

  • Average UV index in September: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and February (UV index 3).

Average cloud cover in September
Altagène, France

  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in September
Altagène, France

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).