September weather forecastSéné, France

September

Weather in September

September, the first month of the autumn in Séné, is still a refreshing month, with an average temperature ranging between min 13.2°C (55.8°F) and max 19.7°C (67.5°F).

Temperature

Welcoming September, Séné notes an average high-temperature of an enjoyable 19.7°C (67.5°F), nearly consistent with August's 21.2°C (70.2°F). September nights cool down to an average low-temperature of 13.2°C (55.8°F).

Humidity

August and September, with an average relative humidity of 78%, are the least humid months in Séné.

Rainfall

September is the month with the least rainfall in Séné, France. Rain falls for 10 days and accumulates 24mm (0.94") of precipitation.

Snowfall

In Séné, snow does not fall in January, March, May through November.

Sea temperature

In Séné, in September, the average water temperature is 18.2°C (64.8°F).
Note: Swimming is not enjoyable for most people in water that is 18.2°C (64.8°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.

Daylight

In Séné, the average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 07:30 and sunset at 20:51. On the last day of the month, sunrise is at 08:09 and sunset at 19:52 CEST.

Sunshine

The average sunshine in September in Séné is 8h.

UV index

In September, the average daily maximum UV index in Séné is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

During September, Séné experiences an average high-temperature of 19.7°C (67.5°F) and a low-temperature of 13.2°C (55.8°F).

August and September, with an average relative humidity of 78%, are the least humid months in Séné.

In September, the average relative humidity in Séné, France, is 78%.

September is the month with the least rainfall in Séné. Rain falls for 10 days and accumulates 24mm (0.94") of precipitation.

In Séné, in September, it is raining for 10 days, with typically 24mm (0.94") of accumulated precipitation.

In Séné, France, snow does not fall in January, March, May through November.

In Séné, France, the average seawater temperature in September is 18.2°C (64.8°F). For swimming, a surface water temperature of 18.2°C (64.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In Séné, France, the average day length in September is 12h and 34min.

In September, on the first day of the month, sunrise is at 07:30 and sunset at 20:51. On the last day of the month, sunrise is at 08:09 and sunset at 19:52 CEST.

In Séné, the average sunshine duration in September is 8h.

In September, the average daily maximum UV index in Séné, France, is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Séné, France

  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

Average pressure in September
Séné, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in September
Séné, France

  • Average wind speed in September: 16.1km/h

The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).

Average humidity in September
Séné, France

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).

Average rainfall in September
Séné, France

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in September
Séné, France

  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).

Average snowfall in September
Séné, France

  • Average snowfall in September: 0mm

The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Séné, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September
Séné, France

  • Average sea temperature in September: 18.2°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is February (9.5°C).

Average daylight in September /
Average sunshine in September
Séné, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Séné, France

  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).

Average UV index in September
Séné, 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, March, April, November and December (UV index 3).

Average cloud cover in September
Séné, France

  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in September
Séné, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).