September weather forecastPorto-Vecchio, France
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Porto-Vecchio, France, with an average temperature varying between 23.5°C (74.3°F) and 20.8°C (69.4°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 26.5°C (79.7°F) in August to a still warm 23.5°C (74.3°F). September registers an average low temperature of 20.8°C (69.4°F), subtly lower than the daytime maximum.Humidity
In Porto-Vecchio, the average relative humidity in September is 69%.Rainfall
In Porto-Vecchio, in September, it is raining for 6.5 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Porto-Vecchio, France, there are 96.3 rainfall days, and 341mm (13.43") of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Sea temperature
In September, the average sea temperature is 23.3°C (73.9°F).Note: Imagine a swim in 23.3°C (73.9°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:49 and sunset at 19:56. On the last day of the month, sunrise is at 07:19 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 6 transforms into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Porto-Vecchio, France
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The months with the lowest average high temperature are January and February (12°C).
- Average low temperature in September: 20.8°C
The month with the highest average low temperature is August (23.2°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).
Average pressure in September
Porto-Vecchio, France
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Porto-Vecchio, France
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in September
Porto-Vecchio, France
- Average humidity in September: 69%
The months with the highest relative humidity are January, April, October and November (73%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Porto-Vecchio, France
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Porto-Vecchio, France
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is November (12.5 days).
The month with the least rainy days is August (2.2 days).
Average snowfall in September
Porto-Vecchio, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Porto-Vecchio, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Porto-Vecchio, France
- Average sea temperature in September: 23.3°C
The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is February (13.4°C).
Average daylight in September /
Average sunshine in September
Porto-Vecchio, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in September
Porto-Vecchio, France
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is August (26.9 days).
The month with the least sunshine days is November (14.5 days).
Average UV index in September
Porto-Vecchio, France
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Porto-Vecchio, France
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Porto-Vecchio, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
