September weather forecastSaint-Sulpice-de-Cognac, France
September
Weather in September
September, the first month of the autumn in Saint-Sulpice-de-Cognac, is still a warm month, with an average temperature varying between 23.5°C (74.3°F) and 12.9°C (55.2°F).Temperature
As Saint-Sulpice-de-Cognac steps into September, the average high-temperature holds at a still warm 23.5°C (74.3°F), hinting at a minor fluctuation from the prior month. The mean low-temperature during September nights is a fresh 12.9°C (55.2°F).Humidity
August and September, with an average relative humidity of 70%, are the least humid months in Saint-Sulpice-de-Cognac.Rainfall
In September, in Saint-Sulpice-de-Cognac, the rain falls for 10.1 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Saint-Sulpice-de-Cognac, France, during the entire year, the rain falls for 171.4 days and collects up to 583mm (22.95") of precipitation.Snowfall
In Saint-Sulpice-de-Cognac, snow does not fall in April through November.Daylight
The average length of the day in September in Saint-Sulpice-de-Cognac, France, is 12h and 32min.On the first day of September in Saint-Sulpice-de-Cognac, sunrise is at 07:23 and sunset at 20:39. On the last day of the month, sunrise is at 07:59 and sunset at 19:43 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Saint-Sulpice-de-Cognac, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-Cognac, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- 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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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
Saint-Sulpice-de-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).





