September weather forecastAult, France
September
Weather in September
September, the first month of the autumn in Ault, is still a comfortable month, with an average temperature ranging between max 18.8°C (65.8°F) and min 11.6°C (52.9°F).Temperature
With the start of September, Ault measures an average high-temperature of a comfortable 18.8°C (65.8°F), not significantly differing from August's 21.7°C (71.1°F). Throughout September, Ault anticipates an average low-temperature of 11.6°C (52.9°F).Humidity
The average relative humidity in September in Ault is 80%.Rainfall
In Ault, France, in September, during 13.6 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Ault, during the entire year, the rain falls for 190.2 days and collects up to 547mm (21.54") of precipitation.Snowfall
April through October are months without snowfall.Sea temperature
August and September, with an average sea temperature of 17.8°C (64°F), are months with the warmest seawater in Ault.Note: Swimming in 17.8°C (64°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 07:09 and sunset at 20:38. On the last day of September, sunrise is at 07:53 and sunset at 19:34 CEST.
Sunshine
In Ault, France, the average sunshine in September is 7.3h.UV index
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 rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ault, France
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Ault, France
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Ault, France
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).
Average humidity in September
Ault, France
- Average humidity in September: 80%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Ault, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Ault, France
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in September
Ault, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ault, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Ault, France
- Average sea temperature in September: 17.8°C
The best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).
Average daylight in September /
Average sunshine in September
Ault, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Ault, France
- Average sunshine days in September: 13.5 days
The months with the most sunshine days are March and April (13.7 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
Ault, 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
Ault, France
- Average cloud cover in September: 42
The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Ault, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
