September weather forecastBray-Dunes, France
September
Weather in September
September, the first month of the autumn in Bray-Dunes, is still a comfortable month, with an average temperature ranging between min 13.2°C (55.8°F) and max 19.1°C (66.4°F).Temperature
With the onset of September, Bray-Dunes's average high-temperature clocks in at an enjoyable 19.1°C (66.4°F), showing a minor fluctuation from the previous month. Bray-Dunes in September anticipates an average nighttime temperature of 13.2°C (55.8°F).Humidity
In Bray-Dunes, the average relative humidity in September is 76%.Rainfall
In September, in Bray-Dunes, the rain falls for 13.5 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 183 rainfall days, and 487mm (19.17") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Bray-Dunes.Sea temperature
In Bray-Dunes, France, in September, the average water temperature is 18.3°C (64.9°F).Note: When the surface water temperature is 18.3°C (64.9°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).
Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 07:04 and sunset at 20:35. On the last day of September, sunrise is at 07:49 and sunset at 19:29 CEST.
Sunshine
The average sunshine in September in Bray-Dunes, France, is 7.4h.UV index
In Bray-Dunes, France, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bray-Dunes, France
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Bray-Dunes, France
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Bray-Dunes, France
- Average wind speed in September: 16.3km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).
Average humidity in September
Bray-Dunes, France
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Bray-Dunes, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Bray-Dunes, France
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is April (12.8 days).
Average snowfall in September
Bray-Dunes, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bray-Dunes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Bray-Dunes, France
- Average sea temperature in September: 18.3°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (7.2°C).
Average daylight in September /
Average sunshine in September
Bray-Dunes, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Bray-Dunes, France
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.5 days).
The month with the least sunshine days is November (10 days).
Average UV index in September
Bray-Dunes, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bray-Dunes, France
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Bray-Dunes, France
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).





