September weather forecastPlérin, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Plérin, France, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 11.5°C (52.7°F).

Temperature

The onset of September manifests an average high-temperature of a comfortable 19.2°C (66.6°F), demonstrating a minor variation from the preceding month. During September, Plérin records a consistent average nighttime temperature of 11.5°C (52.7°F).

Humidity

The least humid month in Plérin is September, with an average relative humidity of 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 11 days and accumulates 18mm (0.71") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 07:29 and sunset at 20:52. On the last day of September, sunrise is at 08:09 and sunset at 19:51 CEST.

Sunshine

In September, the average sunshine in Plérin is 7.2h.

UV index

In September, the average daily maximum UV index in Plérin is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The high-temperature, in September, in Plérin, is 19.2°C (66.6°F), while the low-temperature averages to 11.5°C (52.7°F).

With an average relative humidity of 81%, September is the least humid month in Plérin, France.

In Plérin, the average relative humidity in September is 81%.

September is the month with the least rainfall in Plérin. Rain falls for 11 days and accumulates 18mm (0.71") of precipitation.

In September, in Plérin, France, the rain falls for 11 days. Throughout September, 18mm (0.71") of precipitation is accumulated.

May through October are months without snowfall in Plérin, France.

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

In September, on the first day of the month, sunrise is at 07:29 and sunset at 20:52. On the last day of the month, in Plérin, sunrise is at 08:09 and sunset at 19:51 CEST.

In Plérin, the average sunshine duration in September is 7.2h.

In Plérin, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Plérin, France

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).

Average pressure in September
Plérin, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).

Average wind speed in September
Plérin, France

  • Average wind speed in September: 14.7km/h

The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).

Average humidity in September
Plérin, France

  • Average humidity in September: 81%

The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is September (81%).

Average rainfall in September
Plérin, France

  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).

Average rainfall days in September
Plérin, France

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is November (17.4 days).
The month with the least rainy days is September (11 days).

Average snowfall in September
Plérin, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (13mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Plérin, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 36min

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 12min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Plérin, France

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is November (8.3 days).

Average UV index in September
Plérin, 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, February, November and December (UV index 2).

Average cloud cover in September
Plérin, France

  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).

Average visibility in September
Plérin, 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).