September weather forecastSaint-Florent, France
September
Weather in September
September, the first month of the autumn in Saint-Florent, is also a moderately hot month, with an average temperature ranging between max 23.6°C (74.5°F) and min 18.3°C (64.9°F).Temperature
With the onset of September, Saint-Florent experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 27.4°C (81.3°F) in August to a still moderately hot 23.6°C (74.5°F). In September, the temperature in Saint-Florent drops to an average of 18.3°C (64.9°F) at night.Humidity
The average relative humidity in September is 70%.Rainfall
In Saint-Florent, in September, during 8.6 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Saint-Florent, France, there are 101.4 rainfall days, and 325mm (12.8") of precipitation is accumulated.Snowfall
In Saint-Florent, France, snow does not fall in April through December.Sea temperature
In Saint-Florent, France, in September, the average water temperature is 23.1°C (73.6°F).Note: Swimming in 23.1°C (73.6°F) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In September, the average length of the day in Saint-Florent is 12h and 29min.On the first day of the month, sunrise is at 06:48 and sunset at 19:57. On the last day of September, sunrise is at 07:19 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September is 10.4h.UV index
In September, the average daily maximum UV index in Saint-Florent is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! Reflecting off water and sand, UV rays are much stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Florent, France
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in September
Saint-Florent, France
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Saint-Florent, France
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
Saint-Florent, France
- Average humidity in September: 70%
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Saint-Florent, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is October (47mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in September
Saint-Florent, France
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in September
Saint-Florent, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Saint-Florent, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Saint-Florent, France
- Average sea temperature in September: 23.1°C
The best month for swimming (with the highest average sea temperature) is August (24.2°C).
The coldest month (with the lowest average sea temperature) is February (13.2°C).
Average daylight in September /
Average sunshine in September
Saint-Florent, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Saint-Florent, France
- Average sunshine days in September: 18 days
The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is November (17.5 days).
Average UV index in September
Saint-Florent, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Saint-Florent, France
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Saint-Florent, 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).





