September weather forecastLaunay, France

September

Weather in September

September, the first month of the autumn in Launay, is also an agreeable month, with an average temperature ranging between min 10.8°C (51.4°F) and max 20.2°C (68.4°F).

Temperature

The average high-temperature slightly decreases in September, shifting from a moderately hot 23.3°C (73.9°F) in August to an agreeable 20.2°C (68.4°F). Throughout the month of September, Launay observes an average nighttime temperature of 10.8°C (51.4°F).

Humidity

In Launay, France, the average relative humidity in September is 77%.

Rainfall

The month with the least rainfall in Launay, France, is September, when the rain falls for 9.7 days and typically collects 19mm (0.75") of precipitation.

Snowfall

In Launay, snow does not fall in May through October.

Daylight

In Launay, the average length of the day in September is 12h and 35min.
On the first day of September in Launay, sunrise is at 07:14 and sunset at 20:39. On the last day of the month, sunrise is at 07:56 and sunset at 19:37 CEST.

Sunshine

In Launay, the average sunshine in September is 7.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Exercise prevention - Warding off sunburn is urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The high-temperature in Launay during September is 20.2°C (68.4°F) and the low-temperature is 10.8°C (51.4°F).

The average relative humidity in September in Launay is 77%.

The month with the least rainfall in Launay, France, is September, when the rain falls for 9.7 days and typically collects 19mm (0.75") of precipitation.

In Launay, in September, during 9.7 rainfall days, 19mm (0.75") of precipitation is typically accumulated.

In Launay, France, snow does not fall in May through October.

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

In September, on the first day of the month, sunrise is at 07:14 and sunset at 20:39. On the last day of the month, in Launay, France, sunrise is at 07:56 and sunset at 19:37 CEST.

The average sunshine duration in September is 7.4h.

In September, the average daily maximum UV index in Launay is 4. A UV Index value 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
Launay, France

  • Average high temperature in September: 20.2°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 (6.3°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (13.2°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).

Average pressure in September
Launay, France

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

Average wind speed in September
Launay, France

  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
Launay, France

  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Launay, France

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is September (19mm).

Average rainfall days in September
Launay, France

  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is January (14.8 days).
The month with the least rainy days is September (9.7 days).

Average snowfall in September
Launay, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Launay, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 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
Launay, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 7h and 24min

The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Launay, France

  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is January (11.6 days).

Average UV index in September
Launay, 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
Launay, France

  • Average cloud cover in September: 41

The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 41).

Average visibility in September
Launay, France

  • Average visibility in September: 9km

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