September weather forecastCognac, France
September
Weather in September
September in Cognac serves as a gentle farewell to the summer season, with temperatures cooling down to 23.5°C (74.3°F). The skies start to fill with more clouds, signaling the approaching autumn, even as the daylight hours begin to decrease gradually. Meanwhile, the persistent winds and typical visibility continue to be constants, maintaining the pleasant atmospheric conditions enjoyed during the summer season.Temperature
With the advent of September, Cognac experiences an average high-temperature of a still warm 23.5°C (74.3°F), mirroring a close resemblance to the previous month. September brings with it a nighttime average temperature of 12.9°C (55.2°F).Humidity
August and September, with an average relative humidity of 70%, are the least humid months in Cognac.Rainfall
In Cognac, France, in September, during 10.1 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Cognac, during the entire year, the rain falls for 171.4 days and collects up to 583mm (22.95") of precipitation.Snowfall
April through November are months without snowfall in Cognac.Daylight
In Cognac, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 07:23 and sunset at 20:39. On the last day of September, in Cognac, sunrise is at 07:58 and sunset at 19:43 CEST.
Sunshine
In Cognac, France, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cognac, France
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in September
Cognac, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Cognac, France
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Cognac, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in September
Cognac, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in September
Cognac, France
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in September
Cognac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Cognac, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Cognac, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Cognac, France
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Cognac, France
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Cognac, France
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Cognac, 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).
