September weather forecast
Saint-Ciers-sur-Gironde, France

September

Weather in September

The first month of the autumn, September, is still a warm month in Saint-Ciers-sur-Gironde, France, with temperature in the range of an average high of 23.5°C (74.3°F) and an average low of 12.9°C (55.2°F).

Temperature

The transition from August to September sees average high-temperatures adjusting to a still moderately hot 23.5°C (74.3°F), from a not significantly different 26.3°C (79.3°F). During September, the temperature in Saint-Ciers-sur-Gironde is averaged to a low of 12.9°C (55.2°F) at night.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 70%.

Rainfall

In Saint-Ciers-sur-Gironde, in September, it is raining for 10.1 days, with typically 30mm (1.18") of accumulated precipitation. In Saint-Ciers-sur-Gironde, during the entire year, the rain falls for 171.4 days and collects up to 583mm (22.95") of precipitation.

Snowfall

In Saint-Ciers-sur-Gironde, France, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of September in Saint-Ciers-sur-Gironde, sunrise is at 07:24 and sunset at 20:39. On the last day of the month, sunrise is at 07:59 and sunset at 19:44 CEST.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Saint-Ciers-sur-Gironde, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the temperature in September in Saint-Ciers-sur-Gironde?
The average high-temperature and low-temperature in Saint-Ciers-sur-Gironde during September are 23.5°C (74.3°F) and 12.9°C (55.2°F) respectively.
What are the least humid months in Saint-Ciers-sur-Gironde?
The months with the lowest humidity in Saint-Ciers-sur-Gironde, France, are August and September, with an average relative humidity of 70%.
What is the average humidity in September in Saint-Ciers-sur-Gironde?
In Saint-Ciers-sur-Gironde, the average relative humidity in September is 70%.
How many days does it rain in September in Saint-Ciers-sur-Gironde?
In September, in Saint-Ciers-sur-Gironde, the rain falls for 10.1 days. Throughout September, 30mm (1.18") of precipitation is accumulated.
When it does not snow in Saint-Ciers-sur-Gironde?
In Saint-Ciers-sur-Gironde, France, snow does not fall in April through November.
What is the average length of the day in September in Saint-Ciers-sur-Gironde?
In Saint-Ciers-sur-Gironde, France, the average day length in September is 12h and 32min.
What time are sunrise and sunset in September in Saint-Ciers-sur-Gironde?
On the first day of September in Saint-Ciers-sur-Gironde, sunrise is at 07:24 and sunset at 20:39. On the last day of the month, sunrise is at 07:59 and sunset at 19:44 CEST.
How many hours of sunshine does Saint-Ciers-sur-Gironde have in September?
In Saint-Ciers-sur-Gironde, the average sunshine duration in September is 8.4h.
What is the UV index intensity in September in Saint-Ciers-sur-Gironde?
The average daily maximum UV index in September in Saint-Ciers-sur-Gironde is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Saint-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, France
  • Average daylight in September: 12h and 3min

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 2min

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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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-Ciers-sur-Gironde, 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).

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