September weather forecastLavaldens, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Lavaldens, France, with an average temperature fluctuating between 6.6°C (43.9°F) and 16.3°C (61.3°F).Temperature
Lavaldens, France, records a mild change in average high-temperature during September, easing from a pleasant 20.4°C (68.7°F) in August to a comfortable 16.3°C (61.3°F). Throughout September, an average low-temperature of 6.6°C (43.9°F) is experienced.Humidity
The average relative humidity in September in Lavaldens is 81%.Rainfall
February, July and September are months with the least rain in Lavaldens when the rain falls for 9.5 days and typically aggregates up to 26mm (1.02") of rain.Snowfall
Months with snowfall in Lavaldens are January through June, August through December. In Lavaldens, France, in September, snow falls for 0.5 days, with typically accumulated 1mm (0.04") of snow. Throughout the year, there are 69.5 snowfall days, and 1350mm (53.15") of snow is accumulated.Daylight
The average length of the day in September in Lavaldens, France, is 12h and 31min.On the first day of September in Lavaldens, sunrise is at 06:59 and sunset at 20:13. On the last day of the month, sunrise is at 07:33 and sunset at 19:18 CEST.
Sunshine
In Lavaldens, France, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lavaldens, France
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is August (20.4°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-6.1°C).
Average pressure in September
Lavaldens, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Lavaldens, France
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is February (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.1km/h).
Average humidity in September
Lavaldens, France
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Lavaldens, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (57mm).
The driest months (with the least rainfall) are February, July and September (26mm).
Average rainfall days in September
Lavaldens, France
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is December (4.2 days).
Average snowfall in September
Lavaldens, France
- Average snowfall in September: 1mm
The month with the highest snowfall is December (363mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Lavaldens, France
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Lavaldens, 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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Lavaldens, France
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Lavaldens, France
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Lavaldens, France
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Lavaldens, France
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
