September weather forecastPlancoët, France

September

Weather in September

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

Temperature

The shift to September signals an average high-temperature of a refreshing 19.7°C (67.5°F), subtly varied from August's 21.3°C (70.3°F). Plancoët's nighttime temperature in September drops to an average of 12.5°C (54.5°F).

Humidity

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

Rainfall

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

Snowfall

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

Daylight

The average length of the day in September is 12h and 35min.
On the first day of September in Plancoët, France, sunrise is at 07:27 and sunset at 20:50. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

Sunshine

The average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index in Plancoët is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

Plancoët in September has an average high-temperature of 19.7°C (67.5°F) and an average low-temperature of 12.5°C (54.5°F).

The least humid month in Plancoët, France, is September, with an average relative humidity of 78%.

The average relative humidity in September in Plancoët, France, is 78%.

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

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

In Plancoët, snow does not fall in May through October.

The average day length in September in Plancoët is 12h and 35min.

On the first day of September in Plancoët, France, sunrise is at 07:27 and sunset at 20:50. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

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

In Plancoët, 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 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Plancoët, 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).

Average pressure in September
Plancoët, 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).

Average wind speed in September
Plancoët, 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).

Average humidity in September
Plancoët, 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%).

Average rainfall in September
Plancoët, 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).

Average rainfall days in September
Plancoët, 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).

Average snowfall in September
Plancoët, 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).

Average snowfall days in September
Plancoët, 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).

Average daylight in September /
Average sunshine in September
Plancoët, 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 24min

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).

Average sunshine days in September
Plancoët, 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).

Average UV index in September
Plancoët, 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).

Average cloud cover in September
Plancoët, 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).

Average visibility in September
Plancoët, 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).