Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
In September, the average high-temperature registers at a comfortable 19.2°C (66.6°F), nearly identical to August's 20.3°C (68.5°F). September's average low-temperature reading in Le Vivier-sur-Mer, France, settles at a still refreshing 13°C (55.4°F).Humidity
September is the least humid month, with an average relative humidity of 78%.Rainfall
July and September are months with the least rain when the rain falls for 11.4 days and typically aggregates up to 21mm (0.83") of rain.Snowfall
April through October are months without snowfall in Le Vivier-sur-Mer.Sea temperature
With an average sea temperature of 18°C (64.4°F), September is the month with the warmest seawater.Note: Swimming becomes less enjoyable for most at a surface water temperature of 18°C (64.4°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
In Le Vivier-sur-Mer, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:25 and sunset at 20:48. On the last day of September, sunrise is at 08:05 and sunset at 19:47 CEST.
Sunshine
In Le Vivier-sur-Mer, the average sunshine in September is 7.5h.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 unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Le Vivier-sur-Mer?
What is the least humid month in Le Vivier-sur-Mer?
What is the average humidity in September in Le Vivier-sur-Mer?
What is the driest month in Le Vivier-sur-Mer?
How many days does it rain in September in Le Vivier-sur-Mer?
When it does not snow in Le Vivier-sur-Mer?
What is the month with the warmest sea water in Le Vivier-sur-Mer?
What is the sea water temperature in September in Le Vivier-sur-Mer?
How many hours of daylight does Le Vivier-sur-Mer have in September?
When is the sunrise / sunset in September in Le Vivier-sur-Mer?
How long on average sun shines in September in Le Vivier-sur-Mer?
What is the UV index intensity in September in Le Vivier-sur-Mer?
Average temperature in September
Le Vivier-sur-Mer, France
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The months with the lowest average high temperature are January and February (8.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Le Vivier-sur-Mer, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Le Vivier-sur-Mer, France
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Le Vivier-sur-Mer, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Le Vivier-sur-Mer, France
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest months (with the least rainfall) are July and September (21mm).
Average rainfall days in September
Le Vivier-sur-Mer, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (19.3 days).
The month with the least rainy days is July (10.8 days).
Average snowfall in September
Le Vivier-sur-Mer, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Le Vivier-sur-Mer, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Le Vivier-sur-Mer, France
- Average sea temperature in September: 18°C
The best month for swimming (with the highest average sea temperature) is September (18°C).
The coldest months (with the lowest average sea temperature) are February and March (8.8°C).
Average daylight in September /
Average sunshine in September
Le Vivier-sur-Mer, France
- Average daylight in September: 12h and 4min
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 24min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Le Vivier-sur-Mer, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is July (17.5 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in September
Le Vivier-sur-Mer, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Le Vivier-sur-Mer, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 38).
Average visibility in September
Le Vivier-sur-Mer, 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).
