September weather forecast
Lancieux, France

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Weather in September

The first month of the autumn, September, is still a comfortable month in Lancieux, France, with an average temperature varying between 19.7°C (67.5°F) and 12.5°C (54.5°F).

Temperature

Lancieux, France, records an average high-temperature of an enjoyable 19.7°C (67.5°F) as September arrives, nearly mirroring the previous month's climate. During September, the temperature is averaged to a low of 12.5°C (54.5°F) at night.

Humidity

With an average relative humidity of 78%, September is the least humid month.

Rainfall

The month with the least rainfall in Lancieux is September, when the rain falls for 14.3 days and typically collects 28mm (1.1") of precipitation.

Snowfall

May through October are months without snowfall in Lancieux.

Sea temperature

The month with the warmest seawater is September, with an average sea temperature of 18.2°C (64.8°F).
Note: In 18.2°C (64.8°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).

Daylight

In Lancieux, France, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 07:26 and sunset at 20:50. On the last day of September, in Lancieux, sunrise is at 08:07 and sunset at 19:49 CEST.

Sunshine

In September, the average sunshine in Lancieux is 7.4h.

UV index

In September, the average daily maximum UV index in Lancieux is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What are the temperatures in Lancieux in September?

An average high-temperature, in September, in Lancieux, is 19.7°C (67.5°F) and the average low-temperature is 12.5°C (54.5°F).

What is the least humid month in Lancieux?

September is the least humid month in Lancieux, with an average relative humidity of 78%.

What is the average humidity in September in Lancieux?

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

What is the driest month in Lancieux?

September is the month with the least rainfall in Lancieux, France. Rain falls for 14.3 days and accumulates 28mm (1.1") of precipitation.

How much does it rain in Lancieux in September?

In September, the rain falls for 14.3 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

When it does not snow in Lancieux?

In Lancieux, France, snow does not fall in May through October.

What month is the sea warmest in Lancieux?

The month with the warmest seawater in Lancieux is September, with an average sea temperature of 18.2°C (64.8°F).

What is the sea water temperature in September in Lancieux?

In Lancieux, the average seawater temperature in September is 18.2°C (64.8°F). For most, swimming in 18.2°C (64.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the average length of the day in September in Lancieux?

In September, the average day length is 12h and 35min.

When are sunrise and sunset in September in Lancieux?

On the first day of September, sunrise is at 07:26 and sunset at 20:50. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

How many hours of sunshine does Lancieux have in September?

In September, the average sunshine duration in Lancieux, France, is 7.4h.

How high is the UV index in September in Lancieux?

In Lancieux, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
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
Lancieux, France

Average temperature in September - Lancieux, France
  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

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Average pressure in September
Lancieux, France

Average pressure in September - Lancieux, France
  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

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Average wind speed in September
Lancieux, France

Average wind speed in September - Lancieux, France
  • Average wind speed in September: 15.3km/h

The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is August (14.3km/h).

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Average humidity in September
Lancieux, France

Average humidity in September - Lancieux, France
  • Average humidity in September: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is September (78%).

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Average rainfall in September
Lancieux, France

Average rainfall in September - Lancieux, France
  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is September (28mm).

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Average rainfall days in September
Lancieux, France

Average rainfall days in September - Lancieux, France
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is January (20.2 days).
The month with the least rainy days is September (14.3 days).

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Average snowfall in September
Lancieux, France

Average snowfall in September - Lancieux, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (11mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Lancieux, France

Average snowfall days in September - Lancieux, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in September
Lancieux, France

Average sea temperature in September - Lancieux, France
  • Average sea temperature in September: 18.2°C

The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest month (with the lowest average sea temperature) is February (8.7°C).

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

Average daylight in September / Average sunshine in September - Lancieux, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in September
Lancieux, France

Average sunshine days in September - Lancieux, France
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is September (12.5 days).
The months with the least sunshine days are January and November (6.6 days).

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Average UV index in September
Lancieux, France

Average UV index in September - Lancieux, France
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).

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Average cloud cover in September
Lancieux, France

Average cloud cover in September - Lancieux, France
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 39).

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Average visibility in September
Lancieux, France

Average visibility in September - Lancieux, France
  • Average visibility in September: 9km

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

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Lancieux, France

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