September weather forecastLanton, France
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lanton, France, with an average temperature ranging between min 15.4°C (59.7°F) and max 23.2°C (73.8°F).Temperature
The unfolding of September shows an average high-temperature of a still warm 23.2°C (73.8°F), indicating a slight variance from August's 25.4°C (77.7°F). During September, the average low-temperature is a moderate 15.4°C (59.7°F).Humidity
August and September, with an average relative humidity of 71%, are the least humid months.Rainfall
The months with the least rainfall are August and September Rain falls for 10.4 days and accumulates 29mm (1.14") of rain.Snowfall
March through November are months without snowfall in Lanton.Sea temperature
In Lanton, France, in September, the average water temperature is 20.3°C (68.5°F).Note: Swimming is not a pleasant activity for most individuals in 20.3°C (68.5°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 07:27 and sunset at 20:40. On the last day of September, sunrise is at 08:01 and sunset at 19:46 CEST.
Sunshine
In Lanton, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lanton, France
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (10.5°C).
- Average low temperature in September: 15.4°C
The months with the highest average low temperature are July and August (17.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in September
Lanton, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Lanton, France
- Average wind speed in September: 11.5km/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 (11km/h).
Average humidity in September
Lanton, France
- Average humidity in September: 71%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are August and September (71%).
Average rainfall in September
Lanton, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (89mm).
The driest months (with the least rainfall) are August and September (29mm).
Average rainfall days in September
Lanton, France
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in September
Lanton, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Lanton, 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 April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Lanton, France
- Average sea temperature in September: 20.3°C
The best month for swimming (with the highest average sea temperature) is August (20.6°C).
The coldest month (with the lowest average sea temperature) is February (11.3°C).
Average daylight in September /
Average sunshine in September
Lanton, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are November and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Lanton, 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 November (11.4 days).
Average UV index in September
Lanton, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Lanton, France
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in September
Lanton, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
