September weather forecastAllègre, France

September

Weather in September

September, the first month of the autumn in Allègre, is also an enjoyable month, with an average temperature fluctuating between 18.9°C (66°F) and 7.4°C (45.3°F).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 23.3°C (73.9°F) in August to an enjoyable 18.9°C (66°F). During September, the average low-temperature is recorded at a chilly 7.4°C (45.3°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Allègre, in September, it is raining for 12.1 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 157.7 rainfall days, and 532mm (20.94") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Allègre, during the entire year, snow falls for 56.9 days and aggregates up to 652mm (25.67") of snow.

Daylight

In Allègre, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 07:07 and sunset at 20:22. On the last day of the month, sunrise is at 07:42 and sunset at 19:27 CEST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index in Allègre is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

In Allègre, 18.9°C (66°F) is the average high-temperature and 7.4°C (45.3°F) is the average low-temperature during September.

The average relative humidity in September is 78%.

In Allègre, in September, it is raining for 12.1 days, with typically 35mm (1.38") of accumulated precipitation.

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow.

In Allègre, the average day length in September is 12h and 32min.

On the first day of September, sunrise is at 07:07 and sunset at 20:22. On the last day of the month, sunrise is at 07:42 and sunset at 19:27 CEST.

In Allègre, the average sunshine duration in September is 8.3h.

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

  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in September: 7.4°C

The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).

Average pressure in September
Allègre, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Allègre, France

  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

Average humidity in September
Allègre, France

  • Average humidity in September: 78%

The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Allègre, France

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is February (28mm).

Average rainfall days in September
Allègre, France

  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in September
Allègre, France

  • Average snowfall in September: 1mm

The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September
Allègre, France

  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

  • Average daylight in September: 12h and 30min

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

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Allègre, France

  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.5 days).

Average UV index in September
Allègre, France

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Allègre, France

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Allègre, France

  • Average visibility in September: 8km

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