September weather forecastLa Flotte, France

September

Weather in September

September, the first month of the autumn in La Flotte, is still a pleasant month, with an average temperature ranging between max 21.4°C (70.5°F) and min 14.8°C (58.6°F).

Temperature

The arrival of September is marked by an average high-temperature of an agreeable 21.4°C (70.5°F), bearing a close resemblance to August. La Flotte experiences an average nighttime temperature of 14.8°C (58.6°F) in the month of September.

Humidity

September is the least humid month, with an average relative humidity of 71%.

Rainfall

In La Flotte, during September, the rain falls for 9.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In La Flotte, during the entire year, the rain falls for 161.5 days and collects up to 528mm (20.79") of precipitation.

Snowfall

January, April through November are months without snowfall in La Flotte.

Sea temperature

In La Flotte, France, in September, the average water temperature is 19.3°C (66.7°F).
Note: Swimming in 19.3°C (66.7°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 07:26 and sunset at 20:43. On the last day of September, sunrise is at 08:03 and sunset at 19:47 CEST.

Sunshine

In La Flotte, the average sunshine in September is 8.4h.

UV index

The months with the highest UV index in La Flotte are May through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures vary between a high-temperature of 21.4°C (70.5°F) and a low-temperature of 14.8°C (58.6°F).

With an average relative humidity of 71%, September is the least humid month in La Flotte, France.

In September, the average relative humidity in La Flotte is 71%.

In La Flotte, in September, during 9.5 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

January, April through November are months without snowfall in La Flotte.

In September, the average sea temperature in La Flotte, France, is 19.3°C (66.7°F). Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

The average day length in September in La Flotte is 12h and 32min.

On the first day of September in La Flotte, sunrise is at 07:26 and sunset at 20:43. On the last day of the month, sunrise is at 08:03 and sunset at 19:47 CEST.

The average sunshine duration in September in La Flotte, France, is 8.4h.

May through September, with an average maximum UV index of 5, are months with the highest UV index in La Flotte.

The average daily maximum UV index in September in La Flotte, France, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23.3°C

21.4°C

18°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.6km/h

16.1km/h

18.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

18.9

16.1

Average UV index

Average cloud cover

28%

37%

Average visibility

10km

Average temperature in September
La Flotte, France

Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (9.4°C).

Average low temperature in September: 14.8°C

The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).

Average pressure in September
La Flotte, France

Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in September
La Flotte, France

Average wind speed in September: 15.4km/h

The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.5km/h).

Average humidity in September
La Flotte, France

Average humidity in September: 71%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (71%).

Average rainfall in September
La Flotte, France

Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in September
La Flotte, France

Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is November (16.9 days).
The month with the least rainy days is September (9.5 days).

Average snowfall in September
La Flotte, France

Average snowfall in September: 0mm

The month with the highest snowfall is March (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
La Flotte, France

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.4 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
La Flotte, France

Average sea temperature in September: 19.3°C

The best month for swimming (with the highest average sea temperature) is August (19.8°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).

Average daylight in September /
Average sunshine in September
La Flotte, 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: 10h and 12min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 54min).

Average sunshine days in September
La Flotte, France

Average sunshine days in September: 18.9 days

The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is November (10.9 days).

Average UV index in September
La Flotte, France

Average UV index in September: 5

The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in September
La Flotte, France

Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 28).

Average visibility in September
La Flotte, 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).