September weather forecast
Lorient, France

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Lorient, France, with an average temperature ranging between min 12.6°C (54.7°F) and max 19.3°C (66.7°F).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a refreshing 19.3°C (66.7°F) from August's 20.8°C (69.4°F). Lorient records a steady low-temperature average of 12.6°C (54.7°F) during September.

Humidity

April, July and September, with an average relative humidity of 79%, are the least humid months in Lorient.

Rainfall

In Lorient, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Lorient, there are 176.4 rainfall days, and 623mm (24.53") of precipitation is accumulated.

Snowfall

March, May through November are months without snowfall.

Daylight

In Lorient, the average length of the day in September is 12h and 34min.
On the first day of September in Lorient, France, sunrise is at 07:32 and sunset at 20:54. On the last day of the month, sunrise is at 08:11 and sunset at 19:54 CEST.

Sunshine

The average sunshine in September in Lorient is 7.8h.

UV index

In September, the average daily maximum UV index in Lorient is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What are September temperatures in Lorient?

The high-temperature during September is 19.3°C (66.7°F) and the low-temperature is 12.6°C (54.7°F).

What are the least humid months in Lorient?

April, July and September, with an average relative humidity of 79%, are the least humid months in Lorient, France.

What is the average humidity in September in Lorient?

The average relative humidity in September is 79%.

How many days does it rain in September in Lorient?

In Lorient, France, in September, it is raining for 10.8 days, with typically 28mm (1.1") of accumulated precipitation.

When it does not snow in Lorient?

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

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

The average day length in September in Lorient is 12h and 34min.

When are sunrise and sunset in September in Lorient?

On the first day of September, sunrise is at 07:32 and sunset at 20:54. On the last day of the month, sunrise is at 08:11 and sunset at 19:54 CEST.

How long on average sun shines in September in Lorient?

In Lorient, France, the average sunshine duration in September is 7.8h.

How high is the UV index in September in Lorient?

The average daily maximum UV index in September in Lorient, France, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Lorient, France

Average temperature in September - Lorient, France
  • Average high temperature in September: 19.3°C

The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).

  • Average low temperature in September: 12.6°C

The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

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Average pressure in September
Lorient, France

Average pressure in September - Lorient, France
  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).

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Average wind speed in September
Lorient, France

Average wind speed in September - Lorient, France
  • Average wind speed in September: 15.5km/h

The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).

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Average humidity in September
Lorient, France

Average humidity in September - Lorient, France
  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).

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Average rainfall in September
Lorient, France

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

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (27mm).

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Average rainfall days in September
Lorient, France

Average rainfall days in September - Lorient, France
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (10.8 days).

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Average snowfall in September
Lorient, France

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

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

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Average snowfall days in September
Lorient, France

Average snowfall days in September - Lorient, 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 May, June, July, August, September and October (0 days).

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

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

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: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in September
Lorient, France

Average sunshine days in September - Lorient, France
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is November (8.5 days).

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Average UV index in September
Lorient, France

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

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Lorient, France

Average cloud cover in September - Lorient, France
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 35).

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Average visibility in September
Lorient, France

Average visibility in September - Lorient, France
  • Average visibility in September: 10km

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

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Lorient, France

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