September weather forecastAilleville, France

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Ailleville, France, with temperature in the range of an average low of 9.9°C (49.8°F) and an average high of 19.5°C (67.1°F).

Temperature

Ailleville's transition into September involves a gentle shift in temperature, receding from a warm 23.6°C (74.5°F) in August to a comfortable 19.5°C (67.1°F). Ailleville, during September, witnesses an average low-temperature of 9.9°C (49.8°F).

Humidity

In September, the average relative humidity in Ailleville is 79%.

Rainfall

The month with the least rainfall in Ailleville is September, when the rain falls for 11.7 days and typically collects 38mm (1.5") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Ailleville, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:59 and sunset at 20:22. On the last day of September, in Ailleville, sunrise is at 07:39 and sunset at 19:22 CEST.

Sunshine

In Ailleville, the average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index in Ailleville is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

An average high-temperature, in September, in Ailleville, is 19.5°C (67.1°F) and the average low-temperature is 9.9°C (49.8°F).

In September, the average relative humidity is 79%.

The month with the least rainfall in Ailleville is September, when the rain falls for 11.7 days and typically collects 38mm (1.5") of precipitation.

In Ailleville, during September, the rain falls for 11.7 days and regularly aggregates up to 38mm (1.5") of precipitation.

April through October are months without snowfall in Ailleville, France.

In September, the average day length in Ailleville, France, is 12h and 35min.

On the first day of September in Ailleville, sunrise is at 06:59 and sunset at 20:22. On the last day of the month, sunrise is at 07:39 and sunset at 19:22 CEST.

The average sunshine duration in September in Ailleville is 8h.

In Ailleville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ailleville, France

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).

Average pressure in September
Ailleville, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).

Average wind speed in September
Ailleville, France

  • Average wind speed in September: 10.2km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).

Average humidity in September
Ailleville, France

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Ailleville, France

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days in September
Ailleville, France

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (11.7 days).

Average snowfall in September
Ailleville, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Ailleville, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Ailleville, France

  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in September
Ailleville, France

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Ailleville, France

  • Average cloud cover in September: 38

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Ailleville, France

  • Average visibility in September: 8km

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).